Sean 'Diddy' Combs is reportedly sitting in a US federal prison but still believes President Donald Trump will eventually grant him a pardon despite Trump already rejecting an initial plea for clemency earlier this year. For context, Diddy, 56, is serving a 50‑month sentence after being convicted on two counts of transportation to engage in prostitution, following a high‑profile federal case that also included racketeering conspiracy and sex tra…