A referendum to raise the state minimum wage by 25 percent from $5.15 an hour to $6.50 an hour will be on the Missouri ballot at the upcoming midterm election. NewsHour correspondent Paul Solman explains the ballot issue.

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With millions spent hammering away at one another's policies and character, embattled incumbent Republican Sen. Rick Santorum and Democratic challenger Bob Casey ended their series of debates this week with more bitter sparring.

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As former heavyweight champion Mike Tyson made sports headlines by hinting that he wanted to fight a female boxer in the ring, he also made political headlines by wearing a "Steele for Maryland" T-shirt.

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With the midterm elections nearing, campaign ads are filling the airwaves and promoting candidates' positions on various issues including the Iraq war and immigration. A political expert describes the strategies behind the ads.

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With midterm elections nearly three weeks away, both the Democratic and Republican parties have raised millions of dollars for their House and Senate candidates' campaigns. Political reporters analyze who is contributing money and its influence on the election.

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Candidates for the Missouri Senate, Republican incumbent Jim Talent and state auditor Claire McCaskill, debated for the third time Wednesday, highlighting their differences on Iraq, stem cell research and the question of talks with North Korea.

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In Washington, incumbent Democrat Sen. Maria Cantwell faces stiff competition, while in Montana Republican Sen. Conrad Burns fights for reelection in the wake of the Jack Abramoff scandal. Political analysts discuss the two races in detail.

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Reverberations of the e-mail scandal involving former Rep. Mark Foley, R-Fla., can be felt as far as Ohio's 18th District contest, where Republican state Sen. Joy Padgett is running against Democrat Zack Space.

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In response to an abortion ban passed by the South Dakota Legislature this year, opponents successfully petitioning to put a referendum on the Nov. 7 ballot to let voters decide whether the controversial law should stay or go.

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In what is becoming one of this cycle's most competitive Senate races, Republican Chattanooga Mayor Bob Corker and Rep. Harold Ford, D-Tenn., remain neck and neck to replace retiring Senate Majority Leader Bill Frist.

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