Retired Gen. Salvador Cienfuegos was arrested in October at Los Angeles International Airport by U.S. law enforcement, outraging Mexican officials who demanded and obtained his extradition.

The top U.S. prosecutor for the District of Columbia cited a "disconnect" after federal prosecutors in Arizona said there was "strong evidence" that pro-Trump rioters intended to kill officials.

The change means that doctors will no longer need a special federal waiver in order to prescribe buprenorphine, a medication to treat opioid use disorder.

Each day, we breathe about 22,000 times--and all that time we smell. Scent historian Caro Verbeek recreates scents of the past. She says, just like music and art, smell is a part of our heritage.