Donald Trump Meeting With Mexican President; Trump's Immigration Speech in Arizona Tonight.
CAROL COSTELLO, CNN ANCHOR: Happening now in the Newsroom, the stakes could not be higher.</s>AUDIENCE: Build that wall!</s>COSTELLO: Today, Donald Trump sets the record straight on his signature issue.</s>DONALD TRUMP, PRESIDENTIAL CANDIDATE: When Mexico sends its people they're not sending their best. They're bringing drugs. They're bringing crime. They're rapists. 11 million people in this country that came in illegally, they will go out.</s>COSTELLO: But first, the surprise trip South of the Border and a face-to-face meeting with Mexico's president.</s>TRUMP: I will build a great, great wall on our southern border and I will have Mexico pay for that wall. Mark my words.