While holding the Capitol building doesn't guarantee a successful outcome for the Wisconsin protesters, it's pretty clear that the odds of retaining collective bargaining rights drop precipitously if they're ejected from the building. So this is very good news indeed:

MADISON, Wis. — In a victory — at least a symbolic one — for Wisconsin’s public employee unions, the Capitol authorities announced on Sunday that demonstrators could continue their all-night sleepovers in the building and would not be forcibly ejected or arrested.

Just one day earlier, the state agency that oversees the Capitol police had said that the overnight protests, which have occurred continuously for almost two weeks and have been the heart and soul of the demonstrations in Madison, would cease on Sunday.

The agency is led by an appointee of Gov. Scott Walker, a Republican, whose plan to strip public employee unions of nearly all of their collective bargaining rights has led to huge rallies in opposition, with as many as 70,000 demonstrators marching around the Madison Statehouse.

Union officials, who had denounced the plan to close the Capitol overnight as an effort to silence critics, called the reversal a capitulation by Mr. Walker’s administration.

“Cooler heads prevailed,” said Jim Palmer, the executive director of the 11,000-member Wisconsin Professional Police Association. “They had said they were going to clear the place out, and then they thought the better of it. Now it’s clear that law enforcement professionals are running the show.”

Officials from both the governor’s office and the Department of Administration, the cabinet-level state agency that had previously called for closing the Capitol, could not be reached for comment.