“Why would I call China a currency manipulator when they are working with us on the North Korean problem? We will see what happens!” - donald trump

the question of whether his accusation is true or not does not seem to matter much, apparently. the value of an accusation lies in it's ability to extract a rent from the accused.

could the president be denied standing in court?

http://www.vanityfair.com/news/2017/04/donald-trump-canada-tariffs