judy and josh weston. the cheryl and philip milstein family. the citi foundation. supporting innovation and enabling urban progress. the john and helen glessner family trust. supporting trustworthy journalism that informs and inspires. sue and edgar wachenheim, iii. corporate funding is provided by mutual of america-- designing customized individual and group retirement products. that's why we are your retirement company. additional suppo has been provided by: and by the corporation for public broadcasting, and by contributions to your pbs station from viewers like you. thank you. from the tisch wnet studios at lincoln center in new york, alison stewart. >> stewart: good evening and thanks for joining us. president barack obama has begun a three-day visit to vietnam, starting a week-long trip in asia meant to enhance trade and security ties with allies in the region. the president arrived in vietnam's capital, hanoi, in his first visit to the former enemy of the united states. vietnamese leaders are looking for obama to lift the long- standing u.s. embargo on selli

judy and josh weston. the cheryl and philip milstein family. the citi foundation. supporting innovation and enabling urban progress. the john and helen glessner family trust. supporting trustworthy journalism that informs and inspires. sue and edgar wachenheim, iii. corporate funding is provided by mutual of america-- designing customized individual and group retirement products. that's why we are your retirement company. additional support has been provided by: and by the corporation for public broadcasting, and by contributions to your pbs station from viewers like you. thank you. from the tisch wnet studios at lincoln center in new york, soledad o'brien. >> o'brien: hello and thanks for joining us. a pivotal presidential primary in the republican race for white house is two days away, in indiana. of 10 states left to vote, indiana is the largest delegate prize left until the last primary, in california, in june. in indiana, the republican winner will take most of the state's 57 republican delegates. new york businessman donald trump is aiming to stretch his 430

judy and josh weston. the cheryl and philip milstein family. the citi foundation. supporting innovation and enabling urban progress. the john and helen glessner family trust. supporting trustworthy journalism that informs and inspires. sue and edgar wachenheim, iii. corporate funding is provided by mutual of america-- designing customized individual and group retirement products. that's why we are your retirement company. additional support has been provided by: and by the corporation for public broadcasting, and by contributions to your pbs station from viewers like you. thank you. from the tisch wnet studios at lincoln center in new york, alison stewart. >> stewart: good evening and thank you for joining us. search efforts continued today to unravel what happened to the egypt air flight that crashed in the mediterranean on thursday, killing all 66 on board. egyptian officials denied reports they had located the plane's black boxes on the bottom of the sea. the boxes contain crucial cockpit voice recordings and flight data. the u.s. navy has joined the search, whi

judy and josh weston. family.yl and philip milstein the citi foundation. supporting innovation and enabling urban progress. the john and helen glessner family trust. supporting trustworthy journalism that informs and inspires. sue and edgar wachenheim, iii. corporate funding is provided by mutual of america-- designing customized individual and group retirement products. that's why we are your retirement company. additional support has been provided by: and by the corporation for public broadcasting, and by contributions to your pbs station from viewers like you. thank you. from the tisch wnet studios at lincoln center in new york, megan thompson. this is pbs newshour weekend. >> thompson: good evening, and thanks for joining us. the heavily-fortified, four- square-mile "green zone" in iraq's capital of baghdad is home to government offices and foreign embassies, and previously housed american occupation headquarters. today, for the first time, the green zone was breached. after pulling down a section of the perimeter wall, thousands of protesters loyal to

judy and josh weston. the cheryl and philip milstein family. the citi foundation. supporting innovation and enabling urban progress. the john and helen glessner family trust. supporting trustworthy journalism that informs and inspires. sue and edgar wachenheim, iii. corporate funding is provided by mutual of america-- designing customized individual and group retirement products. that's why we are your retirement company. additional support has been provided by: and by the corporation for public broadcasting, and by contributions to your pbs station from viewers like you. thank you. from the tisch wnet studios at lincoln center in new york, lisa desjardins. >> desjardins: good evening, and thanks for joining us. it is a night of tense watching and waiting as war with the islamic state group appears to be escalating on two fronts tonight-- in syria and in iraq. isis militants are advancing in syria, in what the syrian observatory for human rights says is the group's biggest offensive in two years near syria's border with turkey. isis also gained ground today near th

judy and josh weston. the cheryl and philip milstein family. the citi foundation. supporting innovation and enabling urban progress. the john and helen glessner family trust. supporting trustworthy journalism that informs and inspires. sue and edgar wachenheim, iii. corporate funding is provided by mutual of america-- designing customized individual and group retirement products. that's why we are your retirement company. additional support has been provided by: and by the corporation for public broadcasting, and by contributions to your pbs station from viewers like you. thank you. from the tisch wnet studios at lincoln center in new york, this is pbs newshour weekend. >> stewart: good evening and thanks for joining us. the flow of migrants and refugees to europe's main entry point, greece, is going down, but the financial cost to the nation welcoming the most migrants, germany, is going up. since the european union cut off entry to migrants leaving turkey and arriving by boat in greece, new arrivals in greece have dropped 90% to fewer than 3,000 in april, accordi

judy and josh weston. supporting innovation and enabling urban progress. the john and helen glessner family trust. supporting trustworthy journalism that informs and inspires. sue and edgar wachenheim, iii. corporate funding is provided by mutual of america-- designing customized individual and group retirement products. that's why we are your retirement company. additional support has been provided by: and by the corporation for public broadcasting, and by contributions to your pbs station from viewers like you. thank you. from the tisch wnet studios at lincoln center in new york, lisa desjardins. >> reporter: good evening and thanks for joining us. presumptive republican presidential nominee donald trump says if he's elected president, he would ask allies from saudi arabia and south korea to germany and japan to pay 100% of the cost of u.s. armed forces defending their countries. trump made the remark today at the annual memorial day weekend "rolling thunder" motorcycle rally in the nation's capital. >> you know, you look at the 28 nato countries, many o

judy and josh weston. the cheryl and philip milstein family. the citi foundation. supporting innovation and enabling urban progress. the john and helen glessner family trust. supporting trustworthy journalism that informs and inspires. sue and edgar wachenheim, iii. corporate funding is provided by mutual of america-- designing customized individual and group retirement products. that's why we are your retirement company. additional support has been provided by: and by the corporation for public broadcasting, and by contributions to your pbs station from viewers like you. thank you. from the tisch wnet studios of lincoln center in new york, megan thompson. >> thompson: good evening, and thanks for joining us. the raging wildfire that has forced 90,000 people to evacuate their hometown in canada has now spread across 600 square miles and is still growing. the blaze began six days ago in fort mcmurray, in the canadian province of alberta, 200 miles north of edmonton. alberta's premier said today the fire is "out of control," but no other community lies in its path. 5

judy and josh weston. the cheryl and philip milstein family. the citi foundation.porting innovation and enabling urban progress. the john and helen glessner family trust. supporting trustworthy journalism that informs and inspires. sue and edgar wachenheim, iii. corporate funding is provided by mutual of america-- designing customized individual and group retirement products. that's why we are your retirement company. additional support has been provided by: and by the corporation for public broadcasting, and by contributions to your pbs station from viewers like you. thank you. from the tisch wnet studios at lincoln center in new york, megan thompson. >> thompson: good evening and thanks for joining us. that monstrous wildfire in the province of alberta, canada, has expanded to cover almost 800 square miles, an area the size of mexico city, and it's expected to grow even further. but there's a 70% chance of rain in the area tonight, which could give firefighters some desperately needed help. the fire has wiped out the town of fort mcmurray, and almost 100,000 resi

judy and josh weston. the cheryl and philip milstein family. the citi foundation. supporting innovation and enabling urban progress. the john and helen glessner family trust. supporting trustworthy journalism that informs and inspires. sue and edgar wachenheim, iii. corporate funding is provided by mutual of america-- designing customized individual and group retirement products. that's why we are your retirement company. additional support has been provided by: and by the corporation for public broadcasting, and by contributions to your pbs station from viewers like you. thank you. from wttw in chicago, hari sreenivasan. >> sreenivasan: good evening and thanks for joining us. the presidential primary season is nearing its end with only nine states left to vote. on tuesday, oregon holds primaries for both republicans and democrats, while democrats hold a primary in kentucky. that's where former secretary of state hillary clinton was campaigning today, speaking to supporters in louisville and fort mitchell. vermont senator bernie sanders, who beat clinton in west vi

judy and josh weston. the cheryl and philip milstein family. the citi foundation.rting innovation

judy and josh weston. the cheryl and philip milstein family. the citi foundation. supporting innovation and enabling urban progress. the john and helen glessner family trust.

judy and josh weston. the cher