NEW You can now listen to Fox News articles! In advance of King Charles' upcoming visit to Washington, D.C., it's worth looking back at the long relationship between the White House and Buckingham Palace. While American presidents and British royals are fast friends today, this was not always the case. King George III, of course, was the villain in our story of the American Revolution, and he was still in the picture during the War of 1812, in which British troops burned the White House to the ground. In the middle of the 19th century, Queen Victoria became a heroine to some, but a villainess to others, when she read the anti-slavery novel "Uncle Tom's Cabin" aloud to the royal family. Abolitionists may have liked this, but it was less favorably received in the slaveholding South. Things began to change in the late 19th century due to both technological and diplomatic advancements. The United States and Britain began to recognize common interests, and transatlantic travel and communication became easier.…