the taliban's takeover poses a major challenge for the international community. there was plenty of rhetoric at the g7 meeting earlier this week on the leverage the west might use against afghanistan's new rulers. but, after 20 years on the ground, what influence can western nations actually have, now that they're gone. here's caroline hawley. the taliban triumphant inside the presidential palace when they took kabuljust 12 days ago. its leaders are sanctioned as terrorists, but they are in charge of afghanistan now and calling the shots. as the taliban advanced through the country, western leaders had warned they would be international pariahs if they took power by force. they would be cut off from funds. now it has happened, and there is the dilemma of exactly how to respond. the g7 leaders, and the leaders of the eu, nato and the un, all agreed that we will stand united