Trump has long fueled a conspiracy theory that Obama is not a natural-born citizen of the U.S. Carter’s funeral marked the first time Trump and his former Vice President Mike Pe

On Thursday (Jan. 9), leaders and supporters poured into Washington, D.C.’s National Cathedral to pay their respects to former President Jimmy Carter, who died just before the new year at the age of 100.

Trump is obviously no fan of Biden, but Obama and his veep also have a famously complex relationship, only made more so after Obama helped nudge Biden to quit the presidential race last summer. Surely Obama feels some frustration that Biden fumbled a possibly winnable race; maybe he couldn’t help spill to his sworn enemy?