Donald Trump ought to realise that being a president is different to being a candidate and that there is a responsibility that comes with the office.
Julian CastroI stand before you tonight as a young American, a proud American, of a generation born as the Cold War receded, shaped by the tragedy of 9/11, connected by the digital revolution and determined to re-elect the man who will make the 21st century another American century - President Barack Obama.
Julian CastroAs my family story shows, Latinos have been a blessing for USA for many generations. The future of America depends in part on the success of the Latino community, and this opportunity is just one more signifier of that.
Julian Castro