King Charles III will finally attend his first public outing in nearly two months at this weekend’s Easter Sunday church service at Windsor Castle. The monarch has been receiving cancer treatments since early February, which found him attending to the “paperwork and meetings” side of his role as head of state. “I think it’s a very important day,” royal expert Angela Levin told GBN. “If he can manage being there and if he smiles, and he’s okay, I think it will make a huge difference.” “We mustn’t expect too much because there’s only going to be a few royals,” she added. “He’s going to lead them…