Trump's Kim gambit deepens doubts over US reliability at a key moment for Asia

By John Geddie, Yukiko Toyoda, Ben Blanchard and Aftab AhmedTOKYO/TAIPEI/NEW DELHI, Aug 24 (Reuters) - Donald Trump's olive branch to North Korea's Kim Jong Un at the expense of a long-standingally comes at a pivotal moment for U.S. security ties in Asia, as partners from Japan to India reassess how much they can rely on Washington.