Today the Post confirms the rumors that have been swirling over the past week: beginning next season newspaper columnist/television host/radio personality/D.C.-area curmudgeon Tony Kornheiser will be joining the Monday Night Football broadcast. The news comes as part of a slew of changes for the venerable telecast, as the program makes the move from ABC to ESPN. Kornheiser will be parnered with Joe Theismann and Mike Tirico. Neither John Madden nor Al Michaels — the program’s…