this morning on "world news now," political challenge. who's outraged over the long-awaited nuclear agreement with iran. the president's tough talk and message to congress. who is she? the baby found dead on a boston shoreline. the new picture of the girl and the clues for police. and later, the dazzling tribute to caitlyn jenner. the heartfelt message to the world as she took home the arthur ashe courage award at the espys. >> and while it may not be easy to get past the things you always don't understand, i want to prove that it is absolutely possible, if we only do it together. >> the big moments on and off stage as we take you live to los angeles on this thursday, july 16th.