as much as i might not like obama, i am never a fan of bs that gets circulated through email forwards....w/that said, your 1st letter is completely false, as discussed here:
http://www.snopes.com/politics/obama/afghanistan.asp
and your 2nd from thomas sowell is controversial as well, as discussed here:
http://www.snopes.com/politics/soapbox/sowell.asp
w/that said, this thread is
