Bill Keveney, USA TODAY
June 17, 2014
The beloved comedian and actress, who appears Sunday in the first-season finale of Hallmark Channel’s Signed, Sealed, Delivered (8 ET/PT), likes the concept of four Denver postal detectives who search for the intended recipients of undeliverable mail. She plays the grandmother of one, Norman (Geoff Gustafson).
Burnett, 81, treasures the letters and cards she received from her children and grandchildren. However, as the host of an iconic variety show who has touched many …