Barack Obama trolled President Trump over the “birther” issue during an appearance on “The Daily Show” with Trevor Noah on Monday evening. Back in 2007 Hillary Clinton and her campaign circulated a memo promoting Barack Obama’s “lack of American roots” and reportedly began the “birther controversy.” “[Barack Obama’s] roots to American values and culture are at best limited,” the memo says. “I cannot imagine America electing a president during a time of war who is not at his center fundamentally American in his thinking and values.” Americans became suspicious after then-candidate Obama, who claimed he was born in Hawaii, refused...