Streaky Nats try to find some consistency

USA Today Sports ImagesThere was the 7-13 start to the season, which left more than a few observers concerned. Then there was the 21-6 stretch that included nine consecutive series won, leaving more than a few observers raving about the Nationals.

Now, though, there is a 2-8 slump, one that has dropped the Nats out of first place in the NL East and left more than a few observers wondering … well, wondering what exactly is going on here.

If you’re having trouble answering that question, you’re not alone. It extends into the clubhouse.

“I don’t know, man,” center fielder Denard Span said following Sunday’s 6-3 loss to the Cubs. “We’ve been streaky. Obviously this year, we’re just going through a…