Saturday's debate is a chance for Clinton, Sanders, and O'Malley to deflate the Republicans' politics of paranoia.

Only xenophobia and blustering rhetoric set their ideas apart from Hillary Clinton's.

Chris Christie has decided to join the GOP "crazies" in their Islamophobia.

Probably not. But they could make the lives of refugees very difficult.

A year away from the election, Republicans are looking for a new Willie Horton. But they have to deal with Ben Carson first.

A Twitter conversation with Greg Sargent

The Republican Party could be the single greatest impediment to global efforts to slow climate change. But cracks are forming in the conservative wall of denial.

Chris Christie had no reason to bring up the Ferguson Effect, except that the issue still attracts votes