FILE - In this July 21, 2018, file photo, Pakistani politician Imran Khan, chief of Pakistan Tehreek-e-Insaf party, arrives to address an election campaign rally in Islamabad, Pakistan. The Taliban say they are holding "another" meeting on Monday, Dec. 17, 2018 with U.S. officials, this time in the United Arab Emirates and also involving Saudi, Pakistani and Emirati representatives in the latest attempt to bring a negotiated end to Afghanistan's 17-year war. (AP Photo/Anjum Naveed, File)
Imran Khan swept to power last August promising a welfare state to lift millions of Pakistanis out of poverty. AP

Imran Khan vows Afghan peace push as Pakistan takes lead role in Abu Dhabi talks