[Quote]:

Sen. Harry Reid caused a stir this week when he told an interviewer that Mitt Romney hasn’t released more of his tax returns because “he didn’t pay taxes for 10 years.” On Wednesday, Reid doubled down on the charge.

[..]

“I am not basing this on some figment of my imagination,” Reid said in a telephone call with Nevada reporters. “I have had a number of people tell me that.”

Asked to elaborate on his sources, Reid declined. “No, that’s the best you’re going to get from me.”