"ISLAMABAD, Pakistan Parts of the Pakistani military and intelligence services are mounting what American officials here describe as a campaign to harass American diplomats, fraying relations at a critical moment when the Obama administration is demanding more help to fight the Taliban and Al Qaeda."The problems affected military attachs, C.I.A. officers, development experts, junior level diplomats and others, a senior American diplomat said. As a result, some American aid programs to Pakistan, which President Obama has called a critical ally, are grinding to a halt, the diplomat said." http://www.nytimes.com/2009/12/17/world/asia/17visa.html?_r=1&scp=4&sq=Pakistan&st=cseSo what's this all about?