senator har marco koemarco rubio telling his donors he's running because he feels uniquely qualified. hillary clinton begins her presidential campaign today in iowa. she traveled there by van from her home in new york state. verdict watch in the aaron hernandez murder trial with jurors deliberating now for a fifth day. they're deliberating the fate of the former new england patriots player. brand-new reaction. from the white house. the administration is warning it could raise concerns over sanctions. this is a rift within the group negotiating with iran. right? >> reporter: it sure is. coming as it does right after iranian officials expressed serious doubts about what was agreed to in the framework of the nuclear talks. many republican members of congress as well as some