Why McCain and Obama are causing marital tension

Pamela Rainey Lawler and Denis Lawler of Philadelphia have handled the travails of being married 38 years without seeing eye to eye on a lot of things. The upcoming presidential election is no different. Pamela, a 58-year-old self-described "left-left" Democrat, will be voting for Barack Obama. Denis, a 60-year-old longtime Republican, plans to vote for John McCain.