Santorum to quit U.S. presidential race - sources

GETTYSBURG, Pennsylvania (Reuters) - U.S. Republican presidential candidate Rick Santorum will say he is dropping out of the White House race on Tuesday, two sources familiar with the decision told Reuters. Related Stories New Malawi president sacks minister, seeks aid Zimbabwe's Mugabe "well, on holiday" - officials Sarkozy struggles in polls as French economy sputters Iran cuts oil to Spain