Why are Americans prone to believing con artists like Bernie Madoff and implausible athletic feats from Barry Bonds, Roger Clemens and Lance Armstrong? Because we're optimists.

Five reasons why the U.S. believes in sensational tales.

Roger Clemens has been indicted for perjury for lying before Congress about his steroid use, The New York Times is reporting Thursday. It's not shocking that he lied; most observers have believed that for some time, but it's surprising he's being charged. What's the point, really? Hasn't Clemens' once-pristine reputation been damaged enough? Will he serve [...]

Roger Clemens indicted for lying to Congress.

Comparing raw numbers across generations has never been particularly useful, given the changes in statistical norms from one era to another.