Aetna's Williams Interview

July 28 (Bloomberg) -- Ronald Williams, chief executive officer of Aetna Inc., discusses the company’s second-quarter profit, increased 2010 forecast, costs and the impact of the economy on the health-care insurance industry. Aetna, the third-largest U.S. health insurer, increased its 2010 profit forecast a second time after a milder-than-expected flu season and improved coordination with doctors helped reduce medical costs. Williams talks with Margaret Brennan on Bloomberg Television’s “InBusiness.” (Source: Bloomberg)