'An assault on regulations': Rules frozen by Trump could melt away without a trace
U.S. President Donald Trump holds breakfast meeting with small business leaders at the Roosevelt room of the White House in Washington U.S., January 30, 2017. REUTERS/Carlos Barria

Ridding day care centers of fluorescent lightbulbs with toxic PCBs. Requiring a backup engineer on freight trains to avoid crashes. Restricting drones from flying over people. Federal agencies were preparing these rules and dozens more when Donald Trump was elected. In one of his first acts, the president quietly froze them. That isn’t unusual. Presidents Clinton,…