Changes

Betsy Markey, elected by an impressive 56%-44% margin in 2008, but comes from a Republican-leaning district and could face a tough reelection in 2010. Several Republicans have expressed interest in running, including Colorado House Minority Whip Cory Gardner, Tom Lucero from the University of Colorado, and city councilman Diggs Brown. Markey has raised $609,000 in what is expected to be a competitive race.

Betsy Markey, elected by an impressive 56%-44% margin in 2008, but comes from a Republican-leaning district and could face a tough reelection in 2010. Several Republicans have expressed interest in running, including Colorado House Minority Whip Cory Gardner, Tom Lucero from the University of Colorado, and city councilman Diggs Brown. Markey has raised $609,000 in what is expected to be a competitive race.

===Connecticut==

===Connecticut===

'''Jim Himes (D) of Connecticut's 4th congressional district:'''

'''Jim Himes (D) of Connecticut's 4th congressional district:'''

In 2008 Jim Himes ousted liberal Republican [[Christopher Shay]]'s by a 51%-48% margin. Although Republicans may target his seat in 2010, they have had difficulty recruiting a formidable opponent. state Senate Minority Leader John McKinney has announced he will not run.

In 2008 Jim Himes ousted liberal Republican [[Chris Shays]] by a 51%-48% margin. Although Republicans may target his seat in 2010, they have had difficulty recruiting a formidable opponent. state Senate Minority Leader John McKinney has announced he will not run.

===Delaware===

===Delaware===