FROM CNN's Jack Cafferty: Not a good sign for the Democrats when a growing list of lawmakers – including veteran Senators Chris Dodd and Byron Dorgan – are choosing not to run for re-election this Fall. [cnn-photo-caption image=http://i2.cdn.turner.com/cnn/2010/images/01/06/dodd.dorgan.jpg caption=" (L to R) Sen. Chris Dodd, D-CT and Sen. Byron Dorgan, D-ND"] Dorgan of North Dakota … Continue reading Why so many Democrats headed for the exits?