World U.S. Pushes U.N.-Led Peace Conference in Letter to Afghan Leader March 7, 2021Thomas Gibbons-Neff, David Zucchino and Lara JakesComments Off on U.S. Pushes U.N.-Led Peace Conference in Letter to Afghan Leader In blunt terms, Secretary of State Antony Blinken seeks to jump-start stalled negotiations between the Afghan government and the Taliban.