U.S. Health and Human Services Secretary Alex Azar arrived in Taiwan on Sunday in the highest-level visit by an American Cabinet official since the break in formal diplomatic relations between Washington and Taipei in 1979.

The United States, like most countries, has no formal diplomatic ties with Taiwan, having ditched Taipei in favor of Beijing in 1979, but is its main arms supplier and strongest backer on the international stage.

Donald Trump needs a winning campaign issue, and Jackson Proskow says he may have found it with a promise to consider allowing imports of cheap drugs from Canada.