Sen. Marco Rubio (R-Fla.) joined other Republicans in offering a tempered response to House Speaker John Boehner's proposed "Plan B" legislation to avoid the "fiscal cliff" in an interview with  

"I understand the position [Boehner] is in in terms of trying to avoid us going off the fiscal cliff," Rubio said. "I just continue to believe that our number one priority should be to grow our economy as rapidly possible. It really is the only way to get out of the real fiscal cliff which is that faces our country. And I continue to know that raising taxes on anybody is not a good way to generate economic growth."

Boehner's back-up plan, developed in case negotiations with the White House fail, would allow tax cuts to expire on those making more than $1 million per year.

Boehner got a respectful hearing from House Republicans when he unveiled the plan earlier Tuesday. There are some signs of dissension from conservatives, but many members seem wary of speaking out and undercutting Boehner's efforts to avoid going over the cliff. In this National Journal roundup of reaction from several Republican House members to Boehner's new plan, only one voiced outright disapproval, and he declined to do so on the record. 

House Democrats, on the other hand, are using social media to pan the proposal as "Plan Befuddled." House Majority Leader Harry Reid (D-Nev.) has said that the plan will not pass the Senate, and that if House Republicans go through with it they will only prove that they are walking away from negotiations.