The Martha’s Vineyard Airport reported a major jam-up of private jet traffic over the weekend, much of it stemming from President Barack Obama’s 60th birthday bash, held Saturday. Airport manager Geoffrey Freeman said private jets crowded the tarmac at the small airport all weekend, draining fuel supplies and straining staff. “Traffic was very increased, due to the party,” Mr. Freeman said. “Thankfully it wasn’t the fully-fledged party that it was originally planned as, because it would have put us way beyond our capacity, both for fuel and for parking spacing.” The large private party at the Obama home in Edgartown...