A wholesome blonde lead, Sheree J Wilson is best known for playing Texans, first as the power-hungry April Stevens on CBS' long-running "Dallas" (from 1986 to 1991) and more recently as the tough, strong-willed D.A. Alex Cahill opposite Chuck Norris on "Walker, Texas Ranger" (CBS, 1993-2001). Born in Minnesota and raised in Colorado, she began her career as a local model in Denver before heading to NYC where she became an instant success in TV commercials, acting in more than 30 in an 18-month period. Wilson was so successful that so feared she'd be typecast as a 60-second player. Instead, she