Valerie Harper, ‘Mary Tyler Moore Show’ Alumni All Over TV This Month

Good news for fans of “The Mary Tyler Moore Show” – January is bursting forth with a plethora of programming that has the potential to, well, turn your world on with a smile.  NBC’s 90th Birthday Celebration for AARP’s own Betty White airs Jan. 16 — followed by a preview of Betty’s older-folks-prank-younger-folks reality show, “Betty White’s Off Their Rockers.”  Betty’s birthday event will mark a mini-reunion of the MTM gang.  Come Jan. 29, Mary will be honored with the …