2010 Ky Senate race starting to take shape after Bunning's announcement

Bowling Green, Ky – With the incumbent out of next year's Kentucky Senate race, things are starting to shape up for the 2010 Republican and Democratic primaries. Still, a number of questions remain unanswered about the race, which promises to be one of the most hotly contested in the nation. Lisa Autry reports on the impact of GOP Senator Jim Bunning's announcement to retire from office.