That puts them more than 90 percent of the way to triggering a historic recall election in Wisconsin. Organizers say they're hoping to collect 720,277 signatures by the January deadline, which would be enough to withstand challenges by Gov. Walker's campaign staff.

Gov. Scott Walker on Monday said he would not challenge any of the recall signatures, which means the election can proceed. The Recall Elections Blog takes a close look at a very rare and often very successful political maneuver.

What will surely be one of the most watched political contests in the country has just started next door. Wisconsin's Republican governor, Scott Walker, is facing a historic recall after more than a year of high-profile protests. So what happens next? Talking Points Memo explains the process, while the Los Angeles Times explores what this means for the presidential race and the larger political climate.

Democrats and union leaders behind the effort to oust Wisconsin Gov. Scott Walker say they've collected 50,000 signatures in 48 hours. Recall organizers need to average 9,000 signatures a day to get the 540,000 needed to force a recall election of Walker.

Elections officials are expected to recommend a recall election go forward at meeting Friday. Supporters collected more than 900,000 valid signatures for a special election challenging Gov. Scott Walker. Despite charges of widespread fraud, elections officials rejected only 3 percent of the signatures collected.

A recall election for Gov. Scott Walker has not yet been officially ordered. But if and when it does happen, it will be on June 5. A judge also extended until March 30 a deadline for state officials to verify the signatures on recall petitions.

Gov. Scott Walker survived a highly contentious recall election in Wisconsin on Tuesday, defeating Democrat and Milwaukee Mayor Tom Barrett. What did the result say about Walker, his stand against public employee unions, big money vs. grassroots campaigning and what's next for the two parties?

There are very few undecided voters in the recall election of Wisconsin Gov. Scott Walker. So candidates and their supporters are waging a huge effort to get out the vote ahead of a contest that has become a national showdown over union rights.