Hundreds of New York City police officers packed the hallways of the Bronx Criminal court as the man accused of opening fire and injuring two cops in back-to-back incidents over the weekend was arraigned on 27 counts of attempted murder in the first and second degree, as well as several other charges. "Be aware. ... You're in danger," Police Benevolent Association president Patrick Lynch warned officers at a press conference on Monday. "You need to be careful, but more importantly, we need to back each other up." The suspected gunman, Robert Williams, allegedly ambushed two uniformed police officers who were...