Rallies

New research finds high-profile demonstrations can have a major impact on congressional races.

Cities have often ended up underwriting the president's events, even though they've been saddled with some pretty hefty costs in the aftermath.

Attendees wait at the Florida State Fair Grounds Expo Hall for President Donald Trump.

Since he was accused of "attacking conservative students," Tariq Khan has faced harassment and death threats.

And more follow-up coverage since the shooting in Parkland, Florida, from Pacific Standard.