Former President Donald Trump revealed what he wrote to President Joe Biden when he left office in January. “Basically I wished him luck and, you know, it was a couple of pages long and it was from the heart because I want to see him do well,” Trump said during a podcast interview on Monday with Lisa Boothe, describing the letter he left for Biden. The former commander-in-chief added: “I want him to do well, but that doesn’t include closing up the Keystone Pipeline, which by the way environmentally is much better than having [crude oil] on trains. But [Biden’s] friend and supporter Warren Buffett has trains. Nobody ever talks about that.” Biden never made reference to the contents of the letter during interviews in January but said it was “very generous.” In recent years, outgoing presidents have left a letter to their successors. Usually, they leave a note on the …