Rapper Lupe Fiasco was thrown offstage and escorted off the premises of a Washington, D.C. concert hall during a pre-inauguration concert Sunday night, after going on an anti-war, anti-Obama rant, according to concertgoers. Josh Rogin, a reporter with Foreign Policy magazine, tweeted late Sunday, “Lupe Fiasco just got thrown off stage here at the Hamilton Live after he went on an anti-Obama diatribe mid set.” “So Lupe played one anti-war song for 30 min and said he didn’t vote for Obama,” he continued, ”and eventually was told to move on to the next song…Lupe refused to move to the next...