Flanked by a sea of steelworkers dressed in their orange safety jackets and hard hats, President Donald Trump was given a hero’s welcome at the Mon Valley Irvin Works to mark the signing of the U.S.

Flanked by a sea of steelworkers dressed in their orange safety jackets and hard hats, President Donald Trump was given a hero’s welcome at the Mon Valley Irvin Works ( West Mifflin, Pennsylvania) to ...