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Morry Gash, Associated Press
Protesters march outside the state Capitol in Madison, Wis., Saturday, March 12, 2011. Gov. Scott Walker has already signed a contentious collective bargaining bill into law, but demonstrators insist the fight is not over.

MADISON, Wis. — Wisconsin Senate Democrats who fled the state to try to block a vote on Republican Gov. Scott Walker's collective bargaining plan are making their first public appearance in Madison in weeks.

Thirteen of the 14 senators held a news conference Saturday before marching around the Capitol where thousands of protesters gathered a day after the governor signed the legislation.

Throngs of protesters gathered outside the news conference yelling "Fab 14, our heroes!"

The Democrats say they'll now shift their energy toward recall efforts already under way against some GOP colleagues. Senator Spencer Coggs of Milwaukee says Walker has forced Republicans into "walking the plank" by passing the law.

Some of the Democrats also are facing recall efforts.