Yesterday, Indiana’s Democratic Senator Evan Bayh announced that he will not be seeking re-election later this year. The news came as both a shock and a painful blow to national Democrats still reeling from last month’s upset in the Massachusetts special election that saw the loss of their supermajority status.

We talk to New York Times’ chief political correspondent Adam Nagourney and Lisa Mascaro, Washington correspondent for The Las Vegas Sun, for an analysis of Bayh’s announcement and what it will do to the national political scoreboard.