MUSIC Janet Jackson, the Queen of the 80's and early 90's pays a visit to L.A. Not quite as popular as she used to be, but still puts on a good show -- just ask Justin Timberlake. Tonight she hits the Staples Center in support of her latest release Discipline. 8 pm // Staples Center // 1111 S. Figueroa St., Los Angeles // $50 - $250 DANCE If Janet is not your thing, consider......