Jury deadlocks in Cosby trial; mistrial declared

NORRISTOWN, Pa. - Bill Cosby's trial on sexual assault charges has ended without a verdict after jurors failed to break a deadlock.  Jurors deliberated more than 52 hours over six days before telling a judge they couldn't reach a unanimous decision on whether "The Cosby Show" star drugged and molested Temple University employee Andrea Constand at his suburban Philadelphia home in 2004.  The judge then declared a mistrial for the 79-year-old comedian.