In a turnaround that has been painful for some of his most fervent supporters, the politician whose claim to fame was early opposition to the Iraq War must sell the left on Syrian intervention.U.S.,Alan Grayson,Barack Obama,Bush administration,Bush family,Conservatism in the United States,Conservatives,Democratic Party,Elizabeth Warren,George H. W. Bush,George W. Bush,Hillary Clinton,Iraq,Jon Stewart,Liberal parties,Marco Rubio,Massachusetts,Opposition to the Iraq War,Political ideologies,Political parties in the United States,Politics of the United States,president,Rand Paul,Republican Party,Syria,Tammy Baldwin,United States,White House,Wisconsin,Matt Taylor