Today is Martin Luther King Day, a federal holiday.  All government offices are close. Banks and post offices are also closed today. Meawhile, Beaver County residents are celebrating Martin Luther King Junior Day.  The Midland Women’s Civic Club is hosting a luncheon today with keynote speaker Robert Morris President Christopher B. Howard.  Organizer Stephanie Pennington tells Beaver County Radio newsman Pat Septak that they’re expecting over 800 people.