THE MIDDLE - "The Concert" - Frankie pulls out all of the stops in an effort to get an over-excited Sue tickets to a Justin Bieber concert, Mike is thrilled over Brick's enthusiasm to win the school's spelling bee and coaches him for the event, and Axl and his friends attempt to break a road sign's 15-mile-per-hour speed limit - on foot -- on "The Middle," WEDNESDAY, FEBRUARY 15 (8:00-8:30 p.m., ET) on the ABC Television Network. (ABC/RICHARD FOREMAN) NEIL FLYNN, BROOKE BAUMER,