>> sreenivasan: tom bearden has been blogging from the gulf coast. find his posts and more on our oil spill page and one afghanistan, we're checking in regularly with our partners at globalpost who have correspondents on the ground. they are filing regular dispatches for their site and you can find weekly roundups on ours. plus the newshour has a reporting team in arizona this week, examining the impact of a tough new immigration law. on the rundown tonight, watch a profile of ernesto yerena, an artist and activist in the state. all that and more is on our web site, newshour.pbs.org. >> ifill: and that's the newshour for tonight. on wednesday, we'll update the deadly mexican drug wars. i'm gwen ifill. >> lehrer: and i'm jim lehrer. we'll see you online, and again here tomorrow evening. thank you, and good night. major funding for the pbs newshour has been provided by: and with the ongoing support of these institutions and foundations. and... this program was made possible the corporation for public broadcasting. and by contributions to your pbs stati

. >> lehrer: plus, a tom bearden oil spill report on the dispute over how to block the flow of oil into threatened tidal estuaries in louisiana. >> woodruff: and, on this 60th anniversary of north korea's attack on the south, jeffrey brown revisits that first hot conflict of the cold war, and explores its continuing legacy with warren wiedhahn, a u.s. marine veteran of the war, plus historians michael beschloss and alex roland. that's all ahead on tonight's "newshour." major funding for the pbs newshour has been provided by: and by the alfred p. sloan foundation. supporting science, technology, and improved economic performance and financial literacy in the 21st century. and with the ongoing support of these institutions and foundations. and... this program was made possible by the corporation for public broadcasting. and by contributions to your pbs station from viewers like you. thank you. >> woodruff: the campaign to toughen financial regulation in the u.s. reached its climax today. it came nearly two years after the financial meltdown that triggered the current recession. >> woodruf

. >> woodruff: then, tom bearden reports from gulf shores, alabama, where the once-pristine beaches are now almost empty. >> people here are racking their brains trying to figure out some way to mitigate the economic affects of the bp oil spill. >> brown: ray suarez updates the surge in drug violence gripping mexico, killing thousands in the last year, including a candidate for governor. >> woodruff: mark shields and david brooks offer their weekly analysis. >> brown: and we close with remembrances of senator robert byrd from the memorial service held today in charleston, west virginia. >> this is a guy who continued to taste and smell and feel the suffering of the people of his state. he tasted it. >> woodruff: that's all ahead on tonight's newshour. major funding for the pbs newshour has been provided by: and with the ongoing support of these institutions and foundations. and... this program was made possible by the corporation for public broadcasting. and by contributions to your pbs station from viewers like you. thank you. >> brown: the u.s. economy lost jobs overall last month, ev

." >> lehrer: then, tom bearden examines the impact of the spill on louisiana's wildlife. >> federal scientists are keeping a close watch on critical pelican habitats, and so far, the news is pretty good. >> brown: we look at the sweeping financial reform bill passed by the senate today: what it means for wall street and main street. >> i regret i can't give you your job back, restore that foreclosed home, put retirement money back in your account. what i can do is to see to it that we never, ever again have to go through what this nation has been through. >> lehrer: ray suarez has the last of his stories from haiti six months after the earthquake. tonight: mental health problems of survivors. >> brown: and we attempt to unravel the mystery of the iranian nuclear scientist who returned to tehran today. >> lehrer: that's all ahead on tonight's "newshour." major funding for the pbs newshour has been provided by: and by the alfred p. sloan foundation. supporting science, technology, and improved economic performance and financial literacy in the 21st century. and with the ongoing suppor

tom bearden has the latest on the containment, and the reaction from gulf coast residents. >> lehrer: then, we get two views on whether the goldman sachs settlement was a victory for the company or for federal regulators. >> brown: paul solman looks at what happens when private equity firms use borrowed money to buy companies. >> debt, in my view, is not in and of itself a bad thing. it's when the debt is used to enrich a handful of private equity partners-- that's when it's dastardly. >> lehrer: kwame holman reports on a tension-filled week for the white house and democratic members of congress. >> brown: we get the weekly analysis of mark shields and david brooks. >> lehrer: and margaret warner reports on what a new early test for alzheimer's disease could mean for treatment. that's all ahead on tonight's newshour. major funding for the pbs newshour has been provided by: and with the ongoing support of these institutions and foundations. and... this program was made possible by the corporation for public broadcasting. and by contributions to your pbs station from viewers like you. t

. >> woodruff: tom bearden reports from the gulf of mexico, where scientists are turning to tiny microbes to help clean up oiled marshland. >> lehrer: margaret warner examines the pentagon's new rules for dealing with the news media. >> woodruff: and jeffrey brown has a conversation with jean- michel cousteau about his famous father-- ocean explorer jacques cousteau. >> when people ask what do you expect to find? he would always say if i knew, i wouldn't go. so it was the sense of discovery which is, obviously, related it to adventure. >> lehrer: that's all ahead on tonight's "newshour." major funding for the pbs newshour has been provided by: >> this is the engine that connects abundant grain from the american heartland to haran's best selling whole wheat, while keeping 60 billion pounds of carbon out of the atmosphere every year. bnsf, the engine that connects us. >> and by the bill and melinda gates foundation. dedicated to the idea that all people deserve the chance to live a healthy productive life. and with the ongoing support of these institutions and foundations. and... this progr