By Alice Mannette Ian Simpson MOORE, Oklahoma (Reuters) - Pre-dawn emergency workers searched feverishly for survivors in the rubble of homes, primary schools and an hospital in an Oklahoma City suburb ravaged by a massive Monday afternoon tornado feared to have killed up to 91 people and injured well over 200 residents. The 2-mile(3-km) wide tornado tore through town of Moore outside Oklahoma City, trapping victims beneath the rubble as one elementary school took a direct hit and another was destroyed. ...

By Tabassum Zakaria and Mark Hosenball WASHINGTON (Reuters) - President Barack Obama's administration has decided to give the Pentagon control of some drone operations against terrorism suspects overseas that are currently run by the CIA, several U.S. government sources said on Monday. Obama has pledged more transparency on controversial counterterrorism programs, and giving the Pentagon the responsibility for part of the drone program could open it to greater congressional oversight. ...

By Richard Weizel WESTPORT, Connecticut (Reuters) - Connecticut rail commuters endured crowded and rerouted rides in to work on Monday, as Metro-North worked to repair the busiest U.S. rail line after a two-train collision and derailment injured more than 70 people late last week. Connecticut Governor Dannel Malloy said commuters should expect "serious disruptions," and encouraged riders to stay home if possible as repair crews worked to fix or replace more than 2,000 feet of track as well as overhead wires and other equipment. ...