Saddam and Bin Laden were U.S. allies or U.S.-trained. Turned out, they turned their backs against the U.S., so Americans had to take them down. Now, Karzai seems to be heading that direction. I think Karzai is making a mistake saying that after benefiting from the U.S. military over there.
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ISLAMABAD (Reuters) -
Afghanistan would support Pakistan in case of military conflict between Pakistan and the United States, Afghan President Hamid
Karzai said in an interview to a private Pakistani TV channel broadcast on Saturday.

Karzai.
The remarks were in sharp contrast to recent tension between the two neighbors over cross-border raids, and Afghan accusations that Pakistan was involved in killing the chief Afghan peace envoy, former Afghan president Burhanuddin Rabbani, by a suicide bomber on September 20.
"God forbid, If ever there is a war between Pakistan and America, Afghanistan will side with Pakistan," he said in the interview to Geo television.
"If Pakistan is attacked and if the people of Pakistan needs Afghanistan's help, Afghanistan will be there with you."
http://news.yahoo.com/afghanistan-back-pakistan-wars-u-karzai-023316217.html