President Donald Trump is holding a rally in West Mifflin later today to celebrate Japan-based Nippon Steel's planned partnership with US Steel. When the presidnet made the announcement, he said the deal will keep the iconic steelmaker under American control. West Mifflin Mayor Chris Kelly shared his reaction on the Big K Morning Show. The rally at US Steel’s Irvin Works starts with remarks from US Steel's CEO and Nippon Steel's vice chairman. The President arrives at Allegheny County Airport at 4:35 and is expected to speak at 5.