Former Virginia Gov. Mark Warner formally removed himself for consideration as a vice-presidential running mate for Democrat Barack Obama Saturday and instead accepted the Virginia Democratic Convention's nomination for a US Senate race this fall.
The moderator's chair on NBC's "Meet the Press" was left empty Sunday as a tribute to long-time host Tim Russert, who died Friday in Washington while preparing for the show. He took over the program's interviewing duties in 1991.
The shuttle Discovery landed Saturday after completing a 14-day mission to the International Space Station that NASA said went as smoothly as it gets. Garrett Reisman, who had spent 95 days on the station, was among the seven astronauts who touched down at Cape Canaveral, Fla.