Jonathan Gruber was “the man” behind Obamacare, according to a former adviser to President Barack Obama. “The problem is not that Gruber helped them put Obamacare together, because he was the man,” Steve Rattner, who worked as Obama’s lead adviser in 2009 for the Presidential Task Force on the Auto Industry, said Tuesday on MSNBC’s “Morning Joe.” “The problem is what he said in the last two weeks and how the White House has handled it,” Rattner added. Rattner said his influence was enormous. “Jonathan Gruber was, back in the day in 2009, the guru on health care,” said Rattner,...