The Republican National Committee wants to know why Bill Clinton’s former adviser purchased the house in California that Bill Clinton’s black sheep half-brother Roger lives in. An RNC memo from chief strategist Sean Spicer spells out the mystery: Justin Cooper owns an almost $900,000 home in the lush hills of an upscale Los Angeles suburb. But interestingly enough, he doesn’t live there. Roger Clinton does. Cooper is Bill Clinton’s body man turned wheeler-dealer. He’s gone from making a modest salary working in the White House to setting up an LLC just to buy a home for the president’s brother to...