President Obama to speak

Dallas Police Murders has the Nation in Turmoil

President just finished speaking frfom Europe. CBS 8/ABC Montogmery

DALLAS (AP) – A peaceful protest in Dallas over the recent videotaped shootings of black men by police turned violent Thursday night as an unknown number of people shot at officers, killing five and injuring seven, as well as two civilians. Here’s what is known about the deadliest day for U.S. law enforcement since 9/11: ___ WHAT HAPPENED Hundreds gathered…