How much did labor groups spend in 2008?
We're still working through the campaign finance reports, but here are the numbers Dome has collected so far on spending in state races by unions and employee associations:
That adds up to $4.7 million for the 2008 cycle. However, it does not take into account money given by unions to groups such as the Democratic Governors Association, which also spent heavily here.
It also does not include spending in the U.S. Senate race.