HBO’s topical late-night show Real Time with Bill Maher will air four live, half-hour editions during the GOP and Dem conventions.  The specials will be presented from Los Angeles, where the show is based. The GOP convention specials will premiere at 11 PM on Wednesday and Thursday, July 20 and 21; the Dem confab will be covered on Wednesday and Thursday, July 27 and 28 at 11 PM.