Republican Rep. Darrell Issa is calling it quits " again. Issa, a polarizing fixture of Southern California politics for more than two decades and an ally of President Donald Trump, announced he will retire at the end of his term " a decision that could help Democrats win his district in the midterms. Issa made the announcement Friday, soon after the deadline passed to register as a candidate in a district that was redrawn last year and transformed from one that heavily favored Republicans to one that now gives Democrats the edge. Issa's unexpected decision is an about-face from less than three months ago, when the veteran lawmaker declared "I'm not quitting on California" after briefly considering running for a Texas congressional seat instead.