This weekend on TV, radio TODAY AUTO RACING 3 p.m. -- NASCAR Nextel Cup Sylvania 300 qualifying at N.H. International Speedway, Loudon, N.H., TNT PRO BASEBALL 7 p.m. -- Red Sox at New York Yankees, Ch. 38, WEEI (850) (on cable systems where Ch. 38 is not available, the game will air on NESN); Chicago Cubs at Cincinnati, ESPN 6 p.m. -- Eastern League finals: ...