The Badger State ended up seeing massive turnover as a result of the GOP wave. Democrats lost control of the governor's mansion, a Senate seat, and two House seats.
Just a few months later, the tide had turned dramatically in Wisconsin. Protests rocked the state after Republican Gov. Scott Walker and the GOP-controlled Legislature voted to make up a budget shortfall by making unionized public employees pay more for their benefits -- and to strip them of collective bargaining rights.
Zerban and his wife Cornelia, a public school teacher, were among the tens of thousands protesting in Madison. This time, when state party chairman Mike Tate called to ask him to run, his answer was different.
Zerban says he'd made up his mind to challenge Ryan before the Republican's budget was passed by the House. But he filed candidacy papers with the Federal Election Commission just days afterwards. One of his first actions: The launch of the website, HandsOffMyGrandma.com, encouraging people to sign a petition opposing Ryan's plan. "People were instantly opposed to [Ryan's] plan," said Zerban. "We had a huge response, and it was big success for campaign."
His once-underdog challenge has gained new steam thanks to the one-two punch of both growing unrest in his home state and the debate over the Ryan's plan to transition Medicare into a voucher system for those under 55, Zerban said.
"There appears to be a perfect storm brewing in the 1st District," he told National Journal's Hotline in an interview. He described himself as a "candidate with a business background who has experience budgeting, balancing benefits and the bottom line, providing excellent benefits for his employees."
Zerban's race shot to national prominence thanks to a political earthquake 600 miles away. When Democrat Kathy Hochul upset Republican Jane Corwin in the May 24 special election in New York's 26th District, Zerban's name was the first off the lips of DCCC Chairman Steve Israel of New York when he rattled off a list of Democratic challengers with chances at upsets.
The significance of Hochul's upset win as a barometer of how the Medicare vote was playing in red territory hasn't been lost on Zerban.
"The special election in New York-26 was a huge boost," he said. "It showed that a Democrat can win in a really conservative district, and my district is not anywhere near as conservative as that district."
Ryan's backers dismiss the Democrats' chances of unseating him. While less-seasoned members have had difficulty explaining Ryan's plan in the face of backlash at recess town halls, as the plan's author, Ryan is by far the best to discuss it in depth and explain its nuances.
Moreover, a Ryan aide added that the congressman's proposal represents nothing new to his constituents, who have been hearing from him for years about his "Roadmap for America's Future" and his "Path to Prosperity."