"We demand action, not words, from those who purport to stand with us," the group said.
A plurality of Americans, 41 percent, reported being "very dissatisfied."
"He's tried twice before. He obviously is interested," the former VP said of his successor.
The Democratic presidential front-runner attended several fundraisers on Sunday.
Bush takes second and Kasich third in The Hill's latest rankings.
“I may lose,” Kudlow acknowledged. “It’s a long-shot. I’m not a politician."
Sen. Jeanne Shaheen reportedly plans on backing fellow Democrat Hillary Clinton.
“Donald Trump talks about things in ways that some Republicans really like,” she said.
The billionaire captured at 61 percent favorability rating in Iowa.
“There’s a lot of partisan stuff going on that’s not fair" to Clinton, Klobuchar said.