Which past "Leader" does Obama most remind us of?

Which past leader does Barack Obama most closely resemble? His admirers, not all of them liberals, used to compare him to Abraham Lincoln and Franklin Roosevelt. Well, Obama announced his candidacy in Lincoln's hometown two days before Abe's birthday, and he did expand the size and scope of government. But no one seriously compares him with Lincoln or FDR anymore. Conservative critics have taken to comparing him, as you might imagine, to Jimmy Carter. ..."