Since 2001, U.S. dealings with Pakistan have been guided primarily by security concerns -- and with Hina Rabbani Khar traveling to Washington for the first time as Pakistan's foreign minister this week, the buzz about Afghanistan, terrorism, and security is unlikely to abate. Indeed, the last time a Pakistani foreign minister visited Washington, Richard Holbrooke, then the special representative for Afghanistan and Pakistan, felt compelled to remind Americans that "We don't work with Pakistan because of Afghanistan.