A JUDGE RULED that the destruction of stun-gun darts used in the videotaped beating of motorist Rodney King in Los Angeles does not warrant the dismissal of charges against four police officers. . . . LEFTIST REBELS IN Colombia have accepted a government offer to hold peace talks in an effort to end the nation's 30-year-old civil war, a guerrilla statement said. . . . U.S. UNDERSECRETARY of State Robert Kimmitt said Tuesday he has warned China that renewal of preferential trade status may depend on the "political context" of disputes over Beijing's human rights, trade and arms sales performance.