PASSIONATE ENEMIES... With his clever blue eyes and California cool, Casey Phillips breezed into the corner office in the executive suite--and since then nothing at WRBZ Radio had been the same. As the new "broom" hired to sweep the Manhattan station's airwaves clean, Casey was determined to have Julie Garrett's late-night talk show canceled. And she was just as determined to stop him. Brash, arrogant, aggressive, he'd won every move so far. But Julie wouldn't give up without a fight, even when her formidable opponent's dazzling smile and lean, powerful body conjured up images that were decidedly unprofessional. In his presence words failed her, her heart did all the talking.