WSJ: Two decades ago, Iran helped the U.S. topple the Taliban regime to remove what it saw as a threat to its national security and fellow Shia Muslims in Afghanistan. Now, four months after the Taliban seized power in Kabul, Iran and Afghanistan are both struggling under crippling U.S. sanctions—a predicament that is pushing them to put longstanding ideological and political differences aside as they seek to fill the vacuum left behind by American troops. Click here to read more (external link).