Celebrity birthdays for the week of March 1-7: March 1: Singer Mike d’Abo of Manfred Mann is 82. Singer Roger Daltrey of The Who is 82. Actor Dirk Benedict (“The A Team”) is 81. Country singer Janis Oliver of Sweethearts of the Rodeo is 72. Actor-director Ron Howard is 72. Actor Catherine Bach (“The Dukes of Hazzard”) is 71. Actor Tim Daly is 70. Singer-musician Jon Carroll (Starland Vocal Band) is 69. Bassist Bill Leen of Gin Blossoms is 64. Actor Bryan Batt (“Mad Men”) is 63. Actor Maurice