If you’ve read your John Steinbeck and listened to your Merle Haggard, or if you grew up in a farmworker family, you know that farm laborers in California have struggled to find decent housing for decades. Except in a few cases, growers have no legal obligation to house employees, and there’s not a lot of state and federal money earmarked for farmworker housing. In the Salinas Valley — the fifth- least-affordable place to live in the country — there’s just not enough decent housing for all the people needed to pick crops like lettuce and strawberries.