Indiana Senate race in dead heat

INDIANA -- The race of the U.S. senator's seat in Indiana is heating up.

Joe Donnelly and Richard Mourdock look to be in a dead heat.

The Donnelly campaign released a new poll today.

Forty-one percent of voters favored the South Bend Democrat.

Forty percent favored his Republican challenger.

And four percent of those polled favored Libertarian candidate Andrew Horning.