without preconditions in his first year in office. A poll by The Wall Street Journal and NBC News said Clinton has widened her lead over Obama, going up to 43 percent in July from 39 percent in June. Obama tallied 22 percent, down from 25 percent in June. Obama said he would make hundreds of millions of dollars in U.S. military aid to Pakistan conditional on Pakistan making substantial progress in closing down training camps, evicting foreign fighters and preventing the Taliban from using Pakistan as a staging area for attacks on Afghanistan. White House spokesman Tony Snow said Pakistan was working hard to fight al Qaeda and the Taliban, and Washington was doing what it could in support. "At the same time, we recognize the sovereignty of the Pakistani government and realize that they're putting on a serious push ... They're taking the fight to al Qaeda," Snow said. IRAQ AND AFGHANISTAN Clinton, in an interview with the American Urban Radio Network, stressed the importance of the Pakistanis "taking the actions that only they can take within their own country." But she did not rule out U.S. attacks inside Pakistan, citing the missile attacks her husband, then-President Bill Clinton, ordered against Osama bin Laden in Afghanistan in 1998. "If we had actionable intelligence that Osama bin Laden or other high-value targets were in Pakistan I would ensure that they were targeted and killed or captured," she said. Another Democratic candidate, former North Carolina Sen. John Edwards, said he would