After two big nights showed bats’ potential, Cubs nearly no-hit in battle of baseball’s top offenses

WASHINGTON — It’s been more than a month since the big 250th-anniversary celebration in the nation’s capital. But the Cubs and Nationals still provided plenty of fireworks in this week’s battle between the two highest-scoring teams in baseball. Of course, the baseball gods hate a narrative, and after scoring 20 runs in back-to-back wins in the first two games of the series, the Cubs went quiet in Thursday’s 7-0 loss. It was the other end of the spectrum from a 12-run, four-homer output the…