Leana Wen is the sixth president in Planned Parenthood’s 102-year history, and only the second doctor to hold the role. Under fire from conservatives in Washington and state capitols, Planned Parenthood chose Leana Wen, an emergency room doctor whose family fled China when she was a child, as its next president Wednesday, picking a woman who won praise for her steadying hand as Baltimore’s health commissioner during the city’s convulsive protests in 2015.