>> The field has not been a level field. Jobs have been leaving our country, going to China, and->> He rode into office as an unrelenting critic of China. But now, President Donald Trump faces his biggest test yet as a world leader, when he hosts China's President, Xi Jinping, at this Mar-a-Lago estate for talks that could set the tone in a relationship wracked by deep disputes over trade, the South China Sea, and what to do about North Korea.
Foreign policy correspondent, David Brunnstrom.>> It's gonna be very interesting to see how the two personalities interact with each other. There's Trump very brash, very outspoken, and President Xi much more reserved and deliberate and perhaps calculated.>> The US outraged over China's military outposts on islands in the disputed South China Sea.
And Beijing piqued by Trump publicly calling it out over the loss of US manufacturing jobs and vowing a massive military buildup that could see more American ships and planes patrolling Asia. Trump himself warning China on Twitter to expect a quote, very difficult meeting.>> I think probably what the Chinese are most afraid about is some sort of unscripted moment.
There was a problem it seemed with the handshake between President Trump and Prime Minister Abe of Japan, which seemed endless. And then, another problem with a non-existing handshake with the Chancellor of Germany. I think, in China it's very important for the leader of China to appear to handle the country's most important foreign relationship well.
>> And at the same time, China and the US dealing with an urgent worry they have a mutual interest in solving, North Korea.>> And the main concern is that it will be able to marry its nuclear technology with its missile technology and create a missile that is able to strike the United States mainland.
>> In a recent interview with the Financial Times, Trump telling China to help fix the North Korea situation, or the US will act alone. But as much as Trump and Xi may be natural adversaries, the world's top two economies are so closely intertwined, they may have no choice, but to find a way to work together.