At a ceremony commemorating the late U.S. President Richard M. Nixon’s 100th birthday, politicians, a military official and Nixon’s eldest daughter on Sunday remembered him as an underappreciated president and a foreign policy genius. Nixon, the Cold War-era Republican stalwart who opened U.S. relations with communist China, was the only American president to resign from office, leaving the White House in disgrace over the Watergate scandal. “He looked at (the world) as a world with 200 countries and 200 leaders, and he studied every one of those leaders, and he knew most of them,” said Bruce Herschensohn, a friend and...