"I still hear some dogs barking," Carville said, according to The State newspaper. "I'm for Senator Clinton, but I think the great likelihood is that Obama will be the nominee."
"As soon as I determine when that is, I'll send him a check," he added.
"I cannot in good conscience go to the convention and not support Barack," Johnson said in an interview. "She ran a great campaign, but she fell short of the line."
Johnson is a pledged delegate for Clinton; pledged delegates rarely switch sides.
Speaking to voters in the Appalachian state, she said: “All the kitchen table issues that everybody talks to me about are ones that the next president can actually do something about, if he actually cares about it.” Realising her faux pas, she added: “More likely if she cares about it!”