ADRIANA GOMEZ LICON, JILL COLVIN and WILL WEISSERT Associated Press

SMITHTON, Pa. (AP) — Donald Trump sat in a large barn in rural Pennsylvania on Monday, asking questions of farmers and offering jokes but, in a rarity for his campaign events, mostly listening. The bombastic former president was unusually restrained at an event about China’s influence on the U.S. economy, a roundtable during which farmers…