By R.J. Young MOORE, Oklahoma (Reuters) - A massive tornado tore through the Oklahoma City suburb of Moore on Monday, killing at least 51 people as winds of up to 200 miles per hour flattened entire tracts of homes, two schools and a hospital, leaving a wake of tangled wreckage. Rescue workers raced against the setting sun to find survivors in Oklahoma as the dangerous storm system threatened as many as 10 U.S. states with more twisters. The Oklahoma medical examiner confirmed 51 deaths. ...

WASHINGTON (Reuters) - The United States on Monday appointed a special envoy to monitor and combat anti-Semitism as a new State Department report warned about incidents in Venezuela, Egypt and Iran. Secretary of State John Kerry named Ira Forman, a long time director of the National Jewish Democratic Council, as special envoy citing a "troubling trend" of anti-Semitism around the world. Forman succeeds Hannah Rosenthal, who stepped down last year. The 2012 report on religious freedom said an increase worldwide in anti-Semitism was "of great concern. ...

By Richard Cowan WASHINGTON (Reuters) - High-tech systems for tracking the movements of immigrants and other foreigners when leaving the United States would be installed at major U.S. airports under a plan approved by a congressional panel on Monday. The Senate Judiciary Committee voted 13-5 for an amendment to a wide-ranging immigration bill that would require the installation of devices to check immigrants' fingerprints at the 10 busiest U.S. airports within two years of enactment of the legislation. ...