Ashraf Ghani yearned to go down in history as a visionary leader who brought lasting peace and modern governance to his country.... Instead, the professorial Afghan president, 72, departed power abruptly and in silence on Sunday as Taliban fighters poured into the capital, and their extreme Islamist leaders prepared to dominate the country’s political future. Support our journalism.... Unpopular with the public, often described as abrasive to underlings and impatient with fools, he relied on a