WASHINGTON – President Donald Trump could find himself embracing “strategic patience” on North Korea, an Obama administration approach he once denounced, as nuclear talks with Pyongyang have stalled, analysts say.A Trump tweet Friday showed the president’s evolving position.Many people have asked how we are doing in our negotiations with North Korea – I always reply by saying we are in no hurry, there is wonderful potential for great economic success for that country….— Donald J. Trump (@realDonaldTrump) December 14, 2018And this policy pivot follows growing concern in Washington that denuclearization of North Korea is likely to be more complicated and take longer than the Trump White House expected. Washington’s talks with Pyongyang have been stalled, and North Korea has not taken concrete steps toward denuclearization.North Korea abruptly canceled a scheduled meeting with U.S. Secretary of State Mike Pompeo in early November, and U.S. Special Representative for North Korea Stephen Biegun, appointed in August, has yet to meet with his North Korean counterpart.Satellite images of North Korea throughout the year showed that the country has not stopped its nuclear and missile programs. The most recent image obtained by CNN last week indicated North Korea might be expanding its key long-range missile…