A CNN/ORC poll finds Republican Cory Gardner is leading Democratic Sen. Mark Udall , 50-46 . Colorado 's governor 's race is even closer . The poll, conducted from June 30 to July 1, shows that the two senators are locked in a statistical tie among likely voters with just over half of those polled saying they would vote for either candidate. Udall is one of a handful of Democratic incumbents that Republicans have targeted this year .
A CNN/ORC poll finds Republican Cory Gardner is leading Democratic Sen. Mark Udall , 50-46 . The poll, conducted from June 30 to July 1, shows that the two senators are locked in a statistical tie among likely voters with just over half of those polled saying they would vote for either candidate. Udall is one of a handful of Democratic incumbents that Republicans have targeted this year .