WAPATO, Yakima County — Heinz Humann was late this year. Later than he's ever been. His workers finished thinning out apple and pear trees to prepare for the harvest in mid-August. But they should have been finished a month earlier. The past few months, it's been tough for Humann to find enough workers for what he can afford to pay. He's had plenty of work, he says. But it seems there's no one willing to do it. Add to that the other issues that hurt his bottom line, such as taxes and environmental regulations, and "I can see the writing...