U.S. SECRETARY OF STATE CONDOLEEZZA RICE MADE A SURPRISE VISIT TO LEBANON ON MONDAY TO LAUNCH DIPLOMATIC EFFORTS AIMED AT ENDING 13 DAYS OF WARFARE. RICE ARRIVED IN BEIRUT IN THE AFTERNOON AND WAS TO MEET WITH PRIME MINISTER FUAD SANIORA IN THE PREVIOUSLY UNANNOUNCED STOPOVER BEFORE SHE HEADS TO ISRAEL, SANIORA'S OFFICE SAID. HER MISSION IS THE FIRST U.S. EFFORT ON THE GROUND TO TRY TO RESOLVE THE CRISIS, THE ASSOCIATED PRESS REPORTED.