coming up on the newshour: famine and drought threaten somaliland's future. and, what this artist's paintings of sunrises and sunsets can teach us about life. but first, an all-girls team from afghanistan finally made it to the u.s. this week to participate in a robotics competition. their visas were denied twice by american officials, until criticism prompted president donald trump to intervene and reverse the decision. the girls joined high school students from more than 150 other countries, many of whom had never seen-- or made-- a robot before. jeffrey brown will look at some of the immigration policy issues this is raising once again. but first, special correspondent kavitha cardoza, with our partner "education week," spoke to some of the afghan girls and other international students in washington d.c., part of our weekly series, "making the grade." >> reporter: hundreds of high school students arrived in washington from across the globe. robotics teams from jamaica to jordan, australia to sudan. there was even one representing refugees. but, none of the