Afghanistan’s finance minister on Wednesday resigned from his post and left the beleaguered country as the Taliban terrorist group is making significant advances across the country in recent days. Khalid Payenda has “resigned and left the country because Afghanistan is grappling with declining revenues after the takeover of the custom posts,” Finance Ministry spokesman Mohammad Rafi Tabe told Bloomberg News. The minister also left Afghanistan to visit his ailing wife “and wasn’t able to effectively handle his job at a time when the country is going through its worst economic and security situation,” said Tabe. It’s not clear where he went after leaving Afghanistan. Payenda on Tuesday announced on Twitter that he would resign, saying that Alem Shah Ibrahimi, the deputy minister of revenue and customs, would serve as acting finance minister. “Today I stepped down as the Acting Minister of Finance. Leading MoF was the greatest honor of my life but it …