A senior palace aide has revealed that the King "grasped in both hands" the "risk and challenge" of his recent state visit to the United States, but will not dwell on its perceived success. The trip, which included a "high-stakes" address to Congress, represented Charles’s most significant diplomatic test to date, yet also served as a crucial opportunity to advance palace objectives at the request of the Government. Much attention has been paid to the personal rapport between the King and Donald Trump, with the aide involved in the visit confirming the two men "get on very well." The aide added that "the warmth that you see in public is absolutely the warmth you see in private." When questioned if Trump having a warmer relationship with the King than the Prime Minister was awkward, the aide clarified: "It’s not a competition between the King and the Government. The King is there to support the Government, to help the Government.…