11/24/2010 05:12 am ET | Updated May 25, 2011

Buck-Bennet Senate Race Has Been Second Largest Target For Outside Money

Outside groups have spent more in Colorado's U.S. Senate race than in all but one contest nationwide, according to an analysis of independent expenditures released Thursday by a campaign-finance watchdog group.

Since the Aug. 10 primary, outside interests have spent nearly $4 million in the Senate race that pits Democrat Michael Bennet against Republican Ken Buck, according to data compiled by The Sunlight Foundation. That total trails only the $4.12 million spent by outside groups in the Pennsylvania Senate race between Republican Pat Toomey and Democrat Joe Sestak.

Read more on The Denver Post