2100-plus americans have died since the war began in afghanistan. we ve also spent more than a half trillion dollars on the war. seth jones is a former adviser to the commanding general to the u.s. forces in afghanistan . he s now a research for the rand corporation. nice to have you back with us. why should our men keep dying in this country, men and women if this is the behavior of that country s president? what is going on here? well, i should point out that this is not the first time we ve heard statements like this. back in april of 2010 president karzai stkul lee sai actually said he would join the taliban if he continued to come under pressure from outside governments including the u.s. to reform. the bottom line for the u.s. is that there continues to be a threat to the u.s. homeland from a range of militant groups including al-qaida on both the after gone and pakistan sides of the border. i think that s what make the u.s. suck up these kinds of statements and try to cooperat