The very left wing Guardian castes doubt on the plan----
"The architect of Mr Obama's "smarter policy" is Richard Holbrooke, a former US envoy to the United Nations who has appointed Afghan policy expert Barnett Rubin to co-ordinate an approach to the Taliban.--
A Taliban spokesman said Mr Obama's overture was a sign of weakness, and poured scorn on the notion that "moderate" fighters could be turned.
Qari Yusuf Ahmadi said: "They say they want to speak to moderate Taliban, but they will not be able to find such people because we are united around the aim of fighting for freedom and bringing an Islamic system to Afghanistan." He said Mr Obama's comments reflected the fact the Americans had "become tired and worried".Web Link
I do not know if its a good idea or not but it seems to be getting the cold shoulder already, like to offer to Russia to end the European missile shield in exchange for help with Iran.
Traditionally states have kept open diplomatic channels even while they were at war, but in these cases the diplomacy is kept secret not announced to the NYT as Obamas initiatives have been.
Quiet diplomacy maybe a wiser strategy.