HAVANA - Now that Fidel Castro has retired, many Cubans are looking to his brother to let more people open businesses, own homes and even travel abroad. But it will probably fall to a new generation of leaders to ultimately fulfill or frustrate their dreams of prosperity. ISLAMABAD, Pakistan - A top opposition leader called Tuesday on President Pervez Musharraf to step aside after his ruling party conceded defeat in parliamentary elections. The vote was also a slap to Islamist parties, which lost control of a province where al-Qaida and Taliban fighters have sought refuge. WASHINGTON - Barack Obama cruised past a fading Hillary Rodham Clinton in the Wisconsin primary Tuesday night, gaining the upper hand in a Democratic presidential race for the ages. It was Obama's ninth straight victory over the past three weeks, and left the former first lady in desperate need of a comeback in a race she long commanded as front-runner.