Leaders of manufacturers such as Amphenol, General Dynamics, Lockheed Martin and Electric Boat said they'll be ready for ...

Among the actions he has taken were declaring an emergency at the U.S.-Mexico border, withdrawing from the Paris climate agreement and pardoning Jan. 6 rioters.

Americans turn to their leaders for solace in times of mourning. Donald Trump has used national tragedies to make political points or demean critics.