Stacy Garrity, the presumptive Republican nominee for governor of Pennsylvania, had the ultimate fundraiser this weekend: An event at President Donald J. Trump’s Mar-a-Lago estate in Palm Beach, Fla. Garrity’s campaign, a GOP source confirmed, cleared six-figures in proceeds from the event, secured commitments for future fundraisers, and got some face time with Trump, who made an unannounced appearance at the Friday event. Garrity, the state treasurer from Bradford County, has successfully cleared the GOP primary field of all opponents, guaranteeing her a spot on the fall ballot. But she is considered a significant underdog in her quest to defeat...