Colorado Number Crunching

U.S. Sen. Mark Udall, D-Colo., accepts his party's nomination to run for re-election to his seat in the November 2014 general election during the Colorado Democratic Party's State Assembly in Denver on Saturday, Apri... U.S. Sen. Mark Udall, D-Colo., accepts his party's nomination to run for re-election to his seat in the November 2014 general election during the Colorado Democratic Party's State Assembly in Denver on Saturday, April 12, 2014. (AP Photo/David Zalubowski) MORE LESS

Dylan Scott reports on how the 2 million vote threshold in Colorado is a key metric for the Senate race. More than 2 million voters and Dems think they have a chance to pull it out.

Josh Green has been reporting from Colorado and weighs in, saying that even if Udall hits the 2 million mark, which they’re now expecting to do, the voters are skewing older than the Udall campaign wanted, which puts those projections in some doubt.