House Speaker John Boehner of Ohio walks to a closed-door Republican strategy session on Dec. 5 on Capitol Hill. (J. Scott Applewhite/Associated Press)

House Speaker John A. Boehner (R-Ohio) stressed at a Wednesday caucus meeting that rank-and-file Republicans undercut his ability to negotiate when they publicly go off-message.

The scolding was aimed at conservatives who have been sniping about Boehner’s willingness to put new tax revenue on the table after he offered $800 billion in a deal proposed to the White House this week.

It was also intended for moderates who have begun advocating publicly that the GOP should allow tax rates to rise for the top 2 percent of income earners.

Boehner has insisted that the GOP will only go along with getting new tax dollars from capping deductions. Democrats have said tax rates must rise for those making more than $250,000, the key sticking point between the two sides.

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