The New York Times reports that “control of Congress may well run through California’s Central Valley,” where David Valadao “has a serious battle on his hands this year.” In one of the country’s largest farming regions with a growing Latino electorate – the race for CA-22, where Valadao “is facing significant headwinds, will test the depths of Latino discontent.” Voters are increasingly fed up with Valadao’s record on health care, immigration, a…