After every major presidential and midterm election, the Democratic data firm Catalist releases a comprehensive analysis of ...

Carrie, Jessica and Matthew look at two gubernatorial races where Republican primaries could complicate the GOP's efforts to ...

For the party that holds the White House, midterm elections come in three sizes: kinda bad, really bad, and really, really, really bad. The political environment and opinions of the incumbent ...

First Person is a series of quick videos from the Cook Political Report editors exclusively for our premium members. This week, Matthew discusses the reasons for our rating change in the Iowa governor ...

Incumbency may not be what it used to be, but most sitting House members still hold at least a slight advantage over ...

House and Senate races were a lot more interesting back when there were plenty of swing voters.