Notwithstanding its cooperation with the US in the war against terrorism, Pakistan is probably the "most anti-American country" in the world right now, according to the Congressional Research Service.
The assessment of the depth of Pakistan's anti-Americanism is attributed by K Alan Kronstadt, who is in charge of analysing Asian affairs for the CRS, to a "senior expert."
Adding to US concerns about Pakistan's domestic political developments, Kronstadt says, are increasing signs of Islamisation and anti-American sentiments.
While Pakistan President Pervez Musharraf vowed in August 2003 to "finish off extremism," Kronstadt notes, Pakistan's Islamists routinely denounce Pakistani military operations in western tribal areas, resist government attempts to reform religious schools that teach militancy, and harshly criticise Islamabad's cooperation