The need to vacate this summer

I sure could use a vacation about now - but I have no plans to take one this summer.

That's the breaks for self-employed people like me who do not enjoy paid-­vacation benefits. When I do not work, I do not get paid.

However, nearly one in four American workers are not taking a summer vacation, either - in part because we're the only advanced economy in the world that doesn't mandate employer-...