Pakistan's Khan kicks off election campaign, pledges sweeping changes

Pakistani cricket star-turned-politician Imran Khan on Sunday kicked off his election campaign by staging a major rally and promising sweeping changes in the country if his party wins.Pakistan will hold a general election on July 25 and Khan is hoping to achieve a years-long dream of becoming prime minister.The polls will bring to a head political tensions that have been mounting since former prime minister Nawaz Sharif was ousted by the Supreme Court on corruption charges last July and later ba