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Republican Santorum drops out of White House race, endorses Rubio
Santorum, a 57-year-old former U.S. senator from Pennsylvania, won the Iowa caucuses four years ago, but managed only 1 percent of the vote in the Iowa contest on Monday.
WASHINGTON: Rick Santorum suspended his campaign for the U.S. Republican presidential nomination on Wednesday and said he would endorse Senator Marco Rubio in the race for the White House.
Santorum, a 57-year-old former U.S. senator from Pennsylvania, won the Iowa caucuses four years ago, but managed only 1 percent of the vote in the Iowa contest on Monday.