The New York Daily News' Tuesday cover took a highly critical stance against senators who requested the White House in a letter turn away from its nuclear deal with Iran, slapping up pictures of Republican Sens. Ted Cruz and Rand Paul and others above a large-font, all-caps, front-page headline: "TRAITORS."

The accompanying story was an editorial that was titled, "Un-patriot games as Senate Republicans undermine President Obama on Iran."

Editors slammed the 47 Republicans who pointed out via letter that President Obama ought to consider the Constitution and its caveat to obtain the consent of the Senate when forging foreign agreements, and said that while the nuclear talks might be marred by "fecklessness," that's still no excuse for bad congressional behavior.

Specifically, the editorial called out the senators for "treachery" and accused them of "sending a letter to the mullahs aimed at cutting the legs out from under America's commander-in-chief."

It went on to say the pact as forged was not worthy of signing, "but we strenuously condemn their betrayal of the U.S. constitutional system. The participants represented the bulk of the Republicans' 54-member senatorial majority, vesting their petulant, condescending stunt with the coloration of an institutional foreign policy statement. They are an embarrassment to the Senate and to the nation. … Rather than offer objections domestically in robust debate, as is their obligation, ringleader Sen. Tom Cotton of Arkansas and his band trespassed on presidential turf by patronizing Iran's leaders with the suggested 'that you may not fully understand our constitutional system.'"

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New York Daily News editors said "the plain intent was to sabotage Obama" and "horrendously, every member of the Republican Senate leadership signed the letter, as did GOP presidential contenders Ted Cruz, Lindsey Graham, Rand Paul and Marco Rubio. Only seven Republicans showed sense enough not to go along."

And of the seven, several are angry with Cotton.

Sen. Susan Collins from Maine, for example, told Politico that she didn't appreciate her colleagues' attempt to bypass the White House and instead send a message straight to Iran.

"It's more appropriate for members of the Senate to give advice to the president, to Secretary Kerry and to the negotiators," Collins said, in the news outlet. "I don't think that the ayatollah is going to be particularly convinced by a letter from members of the Senate, even one signed by a number of my distinguished and high ranking colleagues."

Tehran, in fact, has yawned at the letter. Foreign Minister Mohammad Javad Zarif called it "mostly a propaganda ploy," various media reported.

The White House, meanwhile, expressed outrage with the letter, and Obama outright accused the Republicans of effectively aligning themselves with Iran.

Vice President Joe Biden also condemned the move, saying "the decision to undercut our President and circumvent our constitutional system offends me as a matter of principle."