The brother of Sen. Mark Udall (D-Colorado) has been missing for nearly a week after taking a hiking trip in Wyoming.

New York State Senator Malcolm A. Smith and City Councilman Daniel J. Halloran were arrested early this morning on charges of trying to rig the New York City mayoral race. The two men were among several facing federal corruption charges.

Arlen Specter, a five-term senator from Pennsylvania, has just died, the AP reports. A Republican since 1965, he switched party affiliations in 2009 and ran as a Democrat, losing in the primary to Joe Sestak. After his defeat, Specter continued to teach law at the University of Pennsylvania, where last year he was…