Planned Parenthood’s decision to withdraw Monday from a federal grant program aimed at family planning services is the result of a ruling from an unlikely source: the Ninth Circuit Court of Appeals. The historically liberal court allowed a Trump administration rule blocking federal funding from organizations that refer patients for abortions to move forward, and Planned Parenthood chose to lose the money rather than stop the referrals. The case is one signal that President Donald Trump’s judicial nominations may be shifting one of the nation’s most liberal courts further to the right, blunting what many consider his opponents’ most effective...