 -- As tensions rise between the U.S. and North Korea over the threat of more nuclear tests by the reclusive regime, “This Week” co-anchor Martha Raddatz is on the ground reporting from Seoul, South Korea, in a special edition of “This Week” Sunday.

Plus, with President Trump facing foreign policy challenges around the globe, White House National Security Advisor Lt. Gen. H. R. McMaster and former U.S. Ambassador to the Republic of Korea Christopher Hill come exclusively to “This Week.”

And our panel of experts discusses President Trump on the world stage and all the week’s politics, with The Wall Street Journal’s Seoul bureau chief Jonathan Cheng, Bloomberg Politics national political reporter Jennifer Jacobs, and ABC News Political Director Rick Klein.

See the whole political picture, Sunday on “This Week.”

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