One of the mysteries of the last 10 days is President Bidens reluctance to say a discouraging word about the Taliban. Hes been far tougher on our Afghanistan allies than on the jihadists who have taken over the country and humiliated the U.S. The reason is almost certainly that Mr. Biden feels he needs the Talibans cooperation to get Americans out of harms way in Kabul.

If that wasnt clear already, a Taliban spokesman made it crystal on Monday when he said the U.S. President had better not extend his deadline for having all U.S. troops out of the country past Aug. 31.

Its a red line. President Biden announced that onAug. 31 they would withdraw all their military forces. So if they extend it, that means they are extending occupation while there is no need for that, Taliban spokesman Suhail Shaheen told Sky News.

If the U.S. or U.K. were to seek additional time to continue evacuationsthe answer is no. Or there would be consequences, he said, adding that extending the deadline would create mistrust between us. He added that it would provoke a reaction.

That sounds like a threat in any language, and it explains why Mr. Biden has been so cagey about that Aug. 31 date, which is only a week from now. The President said on Sunday that there have been discussions about extending the deadline, though he didnt say with whom. If he meant the Taliban, he appears to have received his answer from those negotiations.

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The Talibans Aug. 31 Red Line - The Wall Street Journal