HARRISBURG, PA — Future sales of assault weapons and any multi-burst trigger activator would be prohibited in Pennsylvania under legislation poised to be introduced in the state House. Two Democratic representatives, Benjamin Sanchez of Montgomery County Aerion Abney of Allegheny County, are co-sponsoring the assault weapons bill. Sanchez is sponsoring separate legislation that would prohibit the trigger activators. In a memo to colleagues, Sanchez and Abney noted that high-capacity semi-automatic rifles in the style of or similar to an AR-15 were found at the mass shooting sites of an elementary school in Uvalde, Texas; an Orlando nightclub; an elementary school...