Following criticism of her on Twitter, Crowley wrote: "I love exposing the Left's total lack of a sense of humor."
As Media Matters has documented, Fluke has come under vicious attack by conservatives following her testimony before the House Democratic Steering and Policy Committee. Most infamously, Rush Limbaugh called Fluke a "slut" and a "prostitute."
UPDATE: Despite suggesting that her Fluke tweet was a joke, Crowley subsequently wrote that she was asking a "Straightforward question" about Fluke.
UPDATE 4/27: Crowley tweeted that "I certainly & unequivocally apologize to Sandra & anyone else I offended. Not my intention":
Fluke appeared on MSNBC last night to demand an apology from Crowley on behalf of the LGBT community following what Fluke called Crowley's "hate speech."