Actually, Ted didn't send the e-mail, but someone on his staff did. Ted took responsibility for them running with a story from CNN, and apologized. End of story.
Ok so his staff engages in gutter politics. That e-mail wasn’t the only crappy thing they did last night.
Make restitution, then done.
Ted produced ammunition for Trump, exactly what I said would happen;
Donald Trump Blasts ‘Dishonest’ Ted Cruz at New Hampshire Rally (2-2-16)
https://www.youtube.com/watch?v=7GSzw2XdpJo