america s longest running war after a trip to afghanistan by president obama. the unannounced visit to kabul was full of secrecy and symbolism, be but not very many specifics. a tough reminder that there s a long way to go in that country. suicide car bomber and taliban militants disguised attacked a housing compound. nick paton walsh is live with us. good morning. reporter: good morning. it appears the suicide bomber drove a car full of explosives into what s known as the green village here. close to the center of kabul, a place where many foreign contractors and ex-pats live in supposed maximum security and safety. it s unclear what happened after this initial explosion. some suggestion guards shot back and suggestions other attackers disguised in the head to toe female garments distinctive to afghanistan rushed. no matter how this panned out, we saw seven afghan civilians killed, one of which was a school child and ten school children injured. many afghans asleep when pr