The Wall Street Journal China’s Xi Gives Up Air Miles for More Time at Home — The peripatetic statesman has scaled back travel plans and skipped some key summits, but continues active diplomacy—as a host. U.S. Says Government Employee Blocked from Leaving China — Exit ban on U.S. Patent and Trademark Office official comes after China confirmed similar restrictions on Wells Fargo banker. How China Curbed Its Oil Addiction—and Blunted a U.S. Pressure Point — Government boosts