UN can help journalists beyond World Press Freedom Day

Evan Gershkovich and Jimmy Lai are about to spend World Press Freedom Day behind bars.

Gershkovich, a Wall Street Journal Moscow correspondent, and Lai, a pro-democracy Hong Kong media magnate, are among record numbers of journalists in prison as the United Nations marks the 30th anniversary of its special day for media freedom on Wednesday, May 3, in New York.

Their imprisonment, by countries that make up two of the five permanent members of the U.N. Security Council, highlight the shrinking of media freedom globally and the need for the U.N. to do more to address it.

Gershkovich...