Donald Trump’s re-election chances are improving, according to David Gergen, who served as a White House adviser for both Republican and Democratic presidents.

“Despite these outrages about the border, his prospects for winning reelection appear to be improving,” said Gergen, who served presidents Richard Nixon, Gerald Ford, Ronald Reagan and Bill Clinton.

“As you sort through the Democratic candidates and what kind of challenges they made, you look for who can be standing up here on the stage, who is as tough as he is, it’s not so clear that his opponents are up to this,” Gergen said.

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The state of the economy heading into the election will have much to do with Trump’s electoral future.

“And it’s also clear that if he has the economy he thinks he’s going to have his prospects are going to be high,” he added. “There was a Wall Street Journal poll that captured my attention, it was among Wall Street analysts, 70 percent said they think he’s going to win reelection. Therefore saying a good economy will put him in.”