Rasmussen Reports: The top Republican contenders continue to hold modest leads in the race for the U.S. Senate in the toss-up state of Colorado, with county prosecutor Ken Buck now running slightly stronger than former Lieutenant Governor Jane Norton against the top Democratic hopefuls.
 
The latest Rasmussen Reports telephone survey of Likely Voters in Colorado finds Buck earning 48% support against incumbent Democratic Senator Michael Bennett who gets 39% of the vote.
 
If former House Speaker Andrew Romanoff is his Democratic opponent, Buck leads by a narrower 47% to 42% margin.
 
A month ago, Buck posted a 46% to 41% lead over Bennet and a 45% to 39% lead over Romanoff.
 
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