Russia has hinted at involving the United States in a newly-launched regional dialogue Moscow says is aimed at seeking a negotiated settlement to the conflict in Afghanistan. The move comes as Afghanistan’s national security adviser is due to visit Moscow to discuss the prospects for promoting reconciliation with armed opposition in his country. Moscow’s stepped up Afghan diplomacy stems from its concerns that a protracted conflict is encouraging Islamic State militants to establish a foothold in the war-torn country and export terrorism to neighboring Central Asian states that ultimately could threaten Russian security. In December, the Russian government hosted senior foreign ministry officials from China and Pakistan for the first time to discuss ways to encourage direct talks between the Afghan government and the Taliban. The participants also exchanged views on how to collectively work to contain “spillover” effects of terrorism. Kabul strongly objected being left out of the trilateral …