Story highlights "I think that those who say we haven't are not paying attention to what was done the last 15 years under President Bush and President Obama," Clinton told a Phoenix radio show

The comment widely contrasts with what Republicans have long said about the border

(CNN) Hillary Clinton said Thursday that she feels the United States has "done a really good job securing the border."

Clinton, while fundraising in Tennessee and Georgia, called into a Phoenix radio show to discuss the state of the Democratic nomination fight and a number of issues that matter in Arizona, the next major state to vote.

"I think we've done a really good job securing the border," Clinton said. "I think that those who say we haven't are not paying attention to what was done the last 15 years under President Bush and President Obama."

The comment widely contrasts with what Republicans have long said about the border.

Republican front-runner Donald Trump has pledged to build a wall along the United States' southern border and has knocked Obama and others for their handling of securing the border with Mexico.

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