Ladies Roll Through Primaries in Arkansas, Nevada, and California

Blanche Lincoln, Sharron Angle, Meg Whitman, and Carly Fiorina all advance.

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Tuesday was a day for the ladies. Four women won high-profile nominations—two in California, one each in Arkansas and Nevada, with a fifth in a good position to win her South Carolina gubernatorial runoff election in two weeks. Elsewhere, Georgia sent a new member (a man) to the U.S. House of Representatives, while Republicans tapped nominees in a handful of targeted congressional races.

In the day's biggest surprise, incumbent Democratic Sen. Blanche Lincoln of Arkansas dashed to the finish line ahead of Lt. Gov. Bill Halter in the state's Senate primary runoff. She earned 52 percent of the vote to Halter's 48 percent. The result shocked political insiders who saw Lincoln trailing in recent polls.

[See who gives money to Lincoln's campaign.]

Lincoln finished narrowly ahead of Halter in the state's May 18 primary, but well short of the requisite majority to win outright, leading to Tuesday's runoff. She used the three-week campaign to position herself as a political outsider. Pointing to the millions of dollars Halter received from national special interest groups such as organized labor and, Lincoln turned Halter's "Washington is broken" campaign on its head. She also capitalized on her support from President Barack Obama and former President Bill Clinton, a fellow Arkansan.

Lincoln's comeback is only the first step in her effort to hold on to her Senate seat. According to Real Clear Politics's average of polls, Republican nominee Rep. John Boozman leads her by 25 points.

[See who contributes to Boozman.]

In Nevada, Tea Party favorite and former state assemblywoman Sharron Angle won an easy victory in Tuesday's GOP primary for the chance to face Senate Majority Leader Harry Reid in November. Reid's campaign has said they are happy the very conservative Angle won, believing that what they describe as her far-right, religiously-motivated views on everything from legislating morality to deregulating the oil and gas industry will make her an easy target. "She's a female Rand Paul," one Reid aide told Politico in May. Republicans pushed back. Warning that Reid shouldn't be "giddy or popping champagne corks," National Republican Senatorial Committee Chairman John Cornyn of Texas told ABC News that "Nevada voters are going to have a referendum on Harry Reid." Recent polling suggests November's race is a toss up.

[See who supports Reid.]

And in California, a pair of female CEOs won the state's most important primaries. Former Hewlett Packard CEO Carly Fiorina nabbed the Republican nomination for Senate and former eBay chief Meg Whitman defeated seven other candidates for the Republican nod for governor.

Fiorina, a harsh critic of incumbent Democratic Sen. Barbara Boxer, runs, a website dedicated to "documenting how Barbara Boxer has failed Californians for 30 years," referring to Boxer's career in both the House and the Senate. Fiorina's Sarah Palin-endorsed campaign has focused from the start on ousting Boxer and criticizing what she sees as an out-of-touch, out-of-control, too-large government. In a victory statement thanking her supporters, Fiorina called Boxer a "bitter partisan" who "gets an 'A' for politics and an 'F' for achievement." Real Clear Politics's average of polls gives the senator a nearly 7-point lead over her Republican opponent.

[See which industries support Boxer.]

Whitman spent $80 million ($71 million from her own pockets) to win what has been dubbed the most expensive primary in the state's history. She'll face California's attorney general, former Gov. Edmund "Jerry" Brown.

A fifth woman may join the female fab four within a couple of weeks. State Rep. Nikki Haley fell just short of the majority required to win the GOP nod for governor. She won almost 49 percent of the vote and will face U.S. Rep. J. Gresham Barrett, who won almost 22 percent, in the June 22 runoff. The conservative Haley, another Palin endorsee, recently faced charges of extramarital affairs. Denying the accusations, Haley promised that if proof of the alleged infidelities surfaced after she is elected, she would resign. If Haley defeats Barrett in two weeks, she will face state Sen. Vincent Sheheen, the Democratic gubernatorial candidate, in November.