Reactions to Dallas Shooting

President Barack Obama's political opponents quickly piled on after news emerged that a gunman had killed five police officers in Dallas, assailing him for his focus on gun control, his overseas trip, and his treatment of the law enforcement community.

When this city was chosen to host the Democratic Party's pre-convention platform meeting, it meant affordable hotels and plenty of available space. Then came the massacre at the nearby Pulse nightclub, and then came this week's shootings in Baton Rouge, Falcon Heights, Minn., and Dallas. The business of amending the party's manifesto was slowed, necessarily, by a moment of silence, speeches about the need to end gun violence and