MSNBC's O'Donnell: Cruz's comments to defund ObamaCare were 'wicked stupid'

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"He's raising his profile," Robinson said. "He can go to the House and do this senseless thing knowing it's not going anywhere in the Senate. He's not going to succeed in a filibuster. The Senate is going to reject any bill that is going to defund ObamaCare."

Former Democratic National Committee Chairman Howard Dean added that House Republicans who "aren't crazy" like Cruz will suffer because they are eventually going to have to strike a deal to avoid a government shutdown.

If the government does shut down, Dean said, Democrats will control the House in 2014.

Dean also said those same "crazy" House Republicans are making Speaker John Boehner (R-Ohio) "walk the plank" to please them and that it's up to Boehner to save them from embarrassment for causing a government shutdown.

"These folks are going to look like extremists if they vote to shut the government down," Dean said.