Neil Joeck: Obama's Stance on Nukes No Matter to Pakistanbr Commonwealth Club - The Commonwealth Club of Californiabr Since 911, the U.S. and Pakistan have collaborated on regional security issues.However, the recent replacement of Pervez Musharraf by President Zardari and an impending change in the White House promise a new era of both opportunities and challenges.Joeck, a leading expert on both South Asian and nuclear issues who served on the White House staff, will examine the U.S.