LAHORE, Pakistan — Two months after the covert U.S. raid that killed Osama bin Laden, posters emblazoned with images of the burning World Trade Center towers appeared at the country's largest university advertising a literary contest to glorify the slain al-Qaida chief.The poem and essay competition at the prestigious Punjab University shows the footholds of hard-line Islamists on college campuses and growing efforts to raise their profile and influence even in the relatively cosmopolitan atmosphere of Pakistan's culture capital, Lahore.Read More... More on Osama bin Laden