From Death Penalty Debate To Split Kennedy Endorsements, U.S. Senate Race Heats Up

There's been quite a flurry of activity in recent days among the Democrats vying to replace the late Sen. Edward Kennedy.

The week started with a dispute over the death penalty. It continued with a race to lock up union support. And it closes with signs of a split in the Kennedy family over endorsements.

WBUR's Democratic consultant Dan Payne explains what the latest developments mean.