This week’s “Moron of the Week Award” goes to Kelsey Grammer. The “Cheers” and “Frasier” star has admitted to cheating on his wife of 13 years, “Playboy” model Camille Donatacci. To make matters worse, Grammer’s new love interest, Kayte Walsh, is 26 years his junior and pregnant with their child. Poor Kelsey – according to…