In an unannounced trip to Kabul, his fourth visit to Afghanistan as vice president, Dick Cheney is asking NATO countries to make an even stronger commitment to the war-ravaged country.

• 切尼对喀布尔的访问事先没有宣布。这是他作为副总统对阿富汗的第四次访问，切尼要求北约国家在战乱的阿富汗做出更大的努力。