Trump sought to mend fences with the prominent Hispanic business leader.
AFL-CIO chief Richard Trumka said there was still time for Biden to enter.
The 2016 presidential contender is walking back talk of a northern border wall.
Bush's campaign has released a video on the “liberal things that Trump believes.”
Julian Hattem 09/01/15 11:27 AM EDT
The life of a jet-setting diplomat is rather tame, Clinton's emails suggest.
Mario Trujillo 09/01/15 11:03 AM EDT
Steve Wozniak gave a boost to Bernie Sanders's presidential campaign on Tuesday.
Timothy Cama 09/01/15 10:00 AM EDT
The groups are attacking Republicans for voting against Obama's landmark climate rule.
"Stay tuned, on September 16, I may be changing tactics," Christie told Jimmy Fallon.
Christie and Paul are now in the bottom half of the GOP field.
With public support for legalization on the rise, White House hopefuls are steering clear.