Because 2010 is expected to be a wave election- favoring Republicans. The two Red State Democratic held seats- AR(Lincoln-D) and ND(OPEN- Dorgan-D)- will fall in the Republican column. Looking at the competive US Senate Races.
I want Bennett(CO) to win re-election.
Bluementhal(CT) is favored to win the open 2010 US Senate Seat.
I want Beau Biden(DE) to defeat Mike Castle.
I want Kendrick Meek(FL) to win- but don't have a problem with Crist.
I want Alexi Giannoulias(IL) to defeat Mark Kirk.
I want Robin Carnahan(MO) to defeat Roy Blunt.
I want Paul Hodes (NH) to win.
I want Lee Fisher(OH) to defeat Bob Portman (OH).
I expect Specter(PA) and Reid(NV) to get re-elected.
Why not just say you want all of the dems to win?