washington u.s. president-elect donald trump indicate tough u.s. approach china speak taiwan president last week far push risky test will wring concessions beijing issue trade north korea unclear call trump tsai ing-wen first u.s. president-elect president taiwanese leader since president jimmy carter switch diplomatic recognition china taiwan 1979. prompt diplomatic protest china outgo obama administration warn could undermine progress relations beijing carefully build decades republican democratic administrations analysts say could provoke military confrontation china press far trump officials vice president-elect mike pence seek play significance 10-minute conversation say courtesy call intend show policy shift however trump fuel fire sunday complain chinese economic military policy twitter monday economic adviser trump stephen moore say beijing like screw em analysts include senior former u.s. officials say call appear least initial shoot across china bow signal tough approach beijing include plan buildup u.s. military part response china grow power asia-pacific region jon huntsman reportedly among candidates become trump secretary state quote new york time say weekend taiwan might prove useful leverage point deal china trump adviser china hawk peter navarro former u.s. ambassador unite nations john bolton another mix top u.s. diplomatic role propose use degrees escalation taiwan pressure china step back pursuit territory east asia navarro produce book multipart television documentaries warn dangers china rise suggest step engagement taiwan include assistance submarine development program argue washington stop refer one-china policy stop short suggest recognize taipei say need unnecessarily poke panda bolton though article january countenance diplomatic ladder escalation could start receive taiwanese diplomats officially state department lead restore full diplomatic recognition evan medeiros former official serve president barack obama top adviser east asia say highly risky strategy reality china let us know clearly mid-1990s taiwan issue war-and-peace issue medeiros say proposition u.s. test taiwan issue politically sensitive rank high chinese priorities interest go begin trade anything away u.s. decide establish formal diplomatic relations taiwan could easily precipitate military crisis northeast asia say douglas paal white house official republican administrations serve u.s. representative taiwan 2002-2006 say approach trump advisers seem root 1990s china much weak unite state good position take tough line problem beijing decide 1996 10-year military buildup would never swallow stuff paal say say chinese president xi jinping seek cement position congress rule communist party next year look soft something like make u.s. office taipei official diplomatic outpost xi would devour rival let happen paal say chris murphy democratic member u.s. senate foreign relations committee say use taiwan way pressure china cooperate north korea nuclear program trade could counterproductive press china taiwan likely bring table north korea currency write twitter risk back dark nasty corner two source familiar debate china policy within trump camp say bolton hard-liners encourage taiwanese leaders approach president-elect however former u.s. secretary state henry kissinger others advise trump transition team caution open break four-decade one china policy say result trump first present request phone conversation personal matter rather harbinger shift u.s. policy leave japan u.s. asian ally unfazed however source say trump tweet chinese currency manipulation import tariff south china sea asian leaders ask whether deliberately provoke china potentially lead dangerous escalation tensions chas freeman former u.s. diplomat then-president richard nixon interpreter historic trip china 1972 say think chinese officials wait see trump intentions president chinese want humiliate mr. trump get emotional confrontation say immediate impact give benefit doubt know understand significance perhaps manipulate people around him trump fire open salvo risky test will beijing