Commentary President Biden’s announced intention to complete the withdrawal of all U.S. forces from Afghanistan by September 11, exactly 20 years after the terrorist attacks on the World Trade Center and the Pentagon, will complete a goal former President Trump wanted to meet, but did not, following advice from military leaders, who convinced him that a May 1 deadline was a bad idea. The Taliban has made no withdrawal commitment and therein lies the problem with what used to be called the “war on terrorism” before, it appears, the United States decided to unilaterally surrender. One of the principles of warfare is to know one’s enemy. The United States, over several administrations, has failed to apply that principle. The goals of the Taliban and international terrorism have been on display even before September 11, 2001. According to War on the Rocks, a website offering analysis, commentary, debate and multimedia content …