By Alexander Cornwell ABU DHABI (Reuters) -The United States still needs other nations to take Afghans who fled their homeland last year, a senior U.S. State Department official said on Friday, six months after Washington’s chaotic withdrawal as the hardline Islamist Taliban took control. Washington has been urging its partners to take Afghans who do not qualify to be resettled in the United States, while those that do are facing a lengthy, complicated immigration process. “We have a call with international colleagues, with about 60 countries every week, and we always remind them of the import…