Even Republicans are saying the letter of sabotage was a mistake

http://www.politicususa.com/2015/03/14/republicans-calling-sabotage-obama-iran-letter-disaster.html

Republicans are admitting anonymously that the Senate GOP attempt to sabotage President Obama with a letter to Iran has turned into a disaster.

Politico talked to insiders within both parties about the letter, and some Republicans are realizing that they are in trouble:

One-third of Republican insiders believe that Arkansas Sen. Tom Cotton and his GOP colleagues — including several potential presidential candidates — crossed the line when they published an open letter to Iranian leaders warning about a possible nuclear deal.

….

“The GOP letter — while sound in substance — caused the debate to shift from the administration’s wrongheadedness to the GOP’s tactics,” said a New Hampshire Republican, who — like all 92 respondents this week — completed the survey anonymously in order to speak candidly. “That’s not helpful.”