Dave McCormick’s top campaign strategist declared victory for his client in Pennsylvania’s U.S. Senate race, again. Lawyers for incumbent U.S. Sen. Robert P. Casey’s campaign battled in county courthouses across the state for dozens of votes here, hundreds there. State officials, meanwhile, noted that with an automatic recount triggered, it will be Nov. 27 before anything is finally certified. That was Thursday in the trench warfare that is the Pennsylvania U.S. Senate race. But here’s the all-important context: As of 5 p.m. Thursday, Republican McCormick was holding onto a 24,409-vote lead, or a margin of .35 percent. According to data...