Fasten your seatbelt: Sean Hannity is going to interview President Donald Trump on Wednesday. Though we hardly need to be told, Fox noted Trump will “react” to Attorney General William Barr’s summary of Special Counsel Robert Mueller’s report and discuss the latest in re his southern border wall-building progress. Hannity famously foamed over on Sunday when Barr unleashed his four-page interpretation of Mueller's report: "MSNBC CONSPIRACY NETWORK LIARS FAKE NEWS CNN LIARS…