Will "America First" leave Japan in the lurch?
As a second summit between U.S. President Donald Trump and North Korean leader Kim Jong Un looms, and as the American president grapples with an all-consuming Russia probe, fears are growing that Trump's next move could put Tokyo in a bind.
"I think there's a very a high chance — maybe more than 50 percent — that, if Trump meets Kim again, there will be a deal that sells out allies," said Van Jackson, a former Pentagon official and North Korea expert who teaches at Victoria University of Wellington in New Zealand.