By Liam Buckler Donald Trump was slammed as a “sick f**k” by Joe Biden during private conversations with aides after he was accused of “delighting in others’ misfortunes.” The president’s salty language was recorded while the 81-year-old watched rioters storm the US Capitol on January 6, 2021, from his private White House dining room. He told his closest advisors the former president “delights in others’ misfortunes” and “presents a clear and present danger to democracy” through his “encouragement of political violence”. Biden also called him a “sick f**k” in private. Biden was also unhappy wi…