Poor Finish Dooms Bush's Candidacy

Republican presidential candidate Jeb Bush, accompanied by his wife, Columba, son Jeb Bush Jr., left, and Sen. Lindsey Graham, R-S.C., speaks in Columbia, S.C., Feb. 20, 2016.

Jeb Bush on Saturday ended his bid to become the 2016 Republican presidential nominee after coming in fourth in South Carolina's primary.

Despite his pedigree — his brother and father each served as president — Bush's campaign failed to connect with Republican voters. He won a string of high-profile political endorsements and raised $100 million to fund his campaign, but he never was able to convert that into support at the polls.

In recent weeks, he enlisted his brother, former President George W. Bush, and his mother, Barbara Bush, to campaign for him but still recorded a disappointing result in Saturday's South Carolina primary, sealing his fate.

Addressing a crowd of supporters following the vote, he said, "The people of Iowa, New Hampshire and South Carolina have spoken and I really respect their decision, so tonight I am suspending my campaign."

Bush, a former governor of Florida, said he was proud of the campaign he ran "to unify our country."

WATCH: Jeb Bush suspends his campaign

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Poor Finish Dooms Bush's Candidacy