DOHA (Reuters) - Popular Arabic television Al Jazeera said Sunday it had received a bomb threat against its Beirut office over its coverage of a Beirut blast, which included interviews with leading anti-Syrian politicians. "The Saturday evening phone call warned that the central Beirut office would be bombed if the television channel did not stop its coverage of the recent explosions in Beirut," Al Jazeera said. It said the caller did not identify himself. The Qatar-based television interviewed several Lebanese opposition leaders after a car bomb wounded at least eight people in Christian east Beirut Saturday. It said security had...