Trump says he's been "invited by numerous countries."
Blog Briefing Room
"Our national security is at stake," the ad says.
The poll results follow a pattern seen over the last several months.
Eric Trump said his father "will do whatever it takes to win this thing."
"Yeah, sure, of course I do," the Speaker said of whether he thinks Trump can win.
Kristina Wong 05/22/16 10:15 PM EDT
The former Marine plans to protest outside Trump Tower.
Jarrett said Obama has reached out to Republicans on a number of issues.
Fields, formerly a reporter for a conservative news site, is joining the Huffington Post.
The Iraqi government told residents to leave or hang white flags outside their homes.
The U.S. reportedly did not notify Pakistan ahead of the strike.