Mitt Romney campaign tries to prevent reporters from asking questions

If Mitt Romney really thought talking about his record as CEO of Bain Capital was a pure positive, wouldn't he be eager to answer questions from reporters? Instead he's not only dodging their questions, his campaign is actually trying to prevent them from asking the questions in the first place:

Press lead on the #Romney bus announces there will be no questions for the candidate today. "Isn't that our decision?" a reporter asks.
' @SaraMurray via Echofon Romney campaign aide trying to block reporters from rope line now. Reporters refuse to leave.
' @mikiebarb via Twitter for BlackBerry Campaign staff and volunteers trying to physically prevent reporters from approaching the rope line to ask questions of Romney.
' @kasie via Twitter for iPhone Most reporters still made it to the ropeline at the Romney event, despite USSS and campaign asking us to leave and stop, but no q's answered
' @EmilyABC via Seesmic But hey, on the bright side at least Romneyland isn't following Joe Miller's lead and arresting reporters. At least not yet.

8:58 AM PT: Romneyland refused to comment. Shocking, I know.

9:38 AM PT: And now they finally do comment:

This was an error on the part of the campaign staff and volunteers. We have reminded them that press is allowed on the rope line to record the governor's interactions with voters.

But not, apparently, to ask questions.