Afghan demonstrators shout anti-US slogans during a protest against Koran desecration in Kabul on February 22, 2012. The Taliban exhorted Afghans Thursday to attack and kill foreign troops to avenge ... more 

Afghan demonstrators shout anti-US slogans during a protest against Koran desecration in Kabul on February 22, 2012. The Taliban exhorted Afghans Thursday to attack and kill foreign troops to avenge the burning of Korans at a US-run base, but stopped short of cutting off contacts with American officials in Qatar less