WASHINGTON — Amid fierce angst about government spending, stubbornly high unemployment rates, and raging policy arguments over immigration and health care — being a member of Congress running for re-election can seem like one of the roughest jobs out there.

But try serving as governor.

Being one of the 50 chief executives right now is “the worst job in American politics,” says Jennifer Duffy, who tracks governors’ and senators’ races for The Cook Political Report.