Geithner Warns Top Earners' Tax Cuts Will Expire

July 24 (Bloomberg) -- In "Top Headlines," Bloomberg's Sheila Dharmarajan reports on today's top stories including U.S. Treasury Secretary warns that President Obama is "absolutely committed" to letting tax cuts for the wealthiest Americans expire at the end of the year, British troops are being deployed to London to act as guards for the Olympic games and Moody's may cut Penn States' credit rating following NCAA fines stemming from the Jerry Sandusky sex abuse case.. She speaks on Bloomberg Television's "Market Makers." (Source: Bloomberg)