IDIOCY WATCH…. In 2009, three Americans were detained and imprisoned by the Iranian government while hiking near the Iran/Iraq border. Two of the three — Josh Fattal and Shane Bauer — remain behind bars, accused of espionage.

The United States, of course, wants Iran to set them free, and this morning, the State Department’s Assistant Secretary for Public Affairs Philip Crowley used Twitter to send a sardonic message to the Iranian president: “Happy birthday President Ahmadinejad. Celebrate by sending Josh Fattal and Shane Bauer home. What a gift that would be…. Your 54th year was full of lost opportunities. Hope in your 55th year you will open Iran to a different relationship with the world.”

Former half-term Gov. Sarah Palin (R) apparently only read the first four words, doesn’t know what sardonic humor is, and responded with a Twitter message that’s so blisteringly stupid, I almost wonder if someone else posted it to make her look like an idiot. The tweet read:

“Happy B’Day Ahmadinejad wish sent by US Govt. Mind boggling foreign policy: kowtow & coddle enemies; snub allies.
Obama Doctrine is nonsense”*

I’d swear she’s getting dumber.

Honestly, how could anyone above the age of 12 look at Philip Crowley’s messages and interpret them as “coddling enemies”?

* Update: I wondered if Palin, embarrassed, might pull the item down once she realized how ridiculous it was. Alas, she doubled down with yet another tweet: “Americans awaken 2 bizarre natl security thinking of Obama Admn: Ahmadinejad b’day greeting after call 4 Israel’s destruction speaks volumes.”

Actually, Palin’s inability to read at a junior-high-school level is what speaks volumes.

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Follow Steve on Twitter @stevebenen. Steve Benen is a producer at MSNBC's The Rachel Maddow Show. He was the principal contributor to the Washington Monthly's Political Animal blog from August 2008 until January 2012.