South Carolina senator and onetime GOP presidential candidate Lindsey Graham endorsed Jeb Bush Friday, backing the former Florida governor despite flagging poll numbers nationwide and in key primary states.

At a news conference in South Carolina Friday, Graham, who focused his short-lived presidential bid on national security, said he liked what he heard from Bush at the debate the previous night.

Read More: Bush Finds His Groove in Trump’s Shadow

“Last night I heard from Jeb Bush the right answer,” Graham said with Bush at his side. “He demonstrated somebody in my view who is ready on day one to be commander-in-chief.”

In his endorsement, Graham also took a…

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