The contest to replace retiring U.S. Rep. John Kline is intensifying as Republican candidates struggle to break out from the crowded field.
Conservative talk radio host Jason Lewis is drawing criticism for comments about women and slavery while Democrats are bashing Darlene Miller, also a Republican, for leading a company that benefited from the federal stimulus program denounced by some of her party's leaders.
The campaign is unfolding in a rapidly evolving Second Congressional District that Democrats believe they can finally win in November after Kline, a Republican, locked down the seat for 14 years.
As Republicans try to showcase their conservative credentials, Kline warned against alienating general election voters.
"This district is not a right district," he said this week. "It's a swing district."
The race is becoming one of the most-watched in the country, with national congressional campaign committees for both parties preparing to pour money and resources into it.
Lewis appears to lead the GOP pack in name recognition, but others in his party are scrambling to distinguish themselves and raise money. Other Republican candidates are David Gerson, who lost to Kline before; former state Sen. John Howe; former state Rep. Pam Myhra, and David Benson-Staebler.
In Lewis' audio book "Power Divided Is Power Checked: The Argument for States' Rights," he questioned the ways the federal government tried to end slavery. On his former talk show, Lewis criticized young, single women for being ignorant of important issues and choosing candidates based on who would pay for birth control.