Berlin: Russian President Vladimir Putin, right, and European Commission President Ursula von der Leyen talk to each other during their meeting on the sideline of a conference on Libya at the chancellery in Berlin, Germany, Sunday, Jan. 19, 2020. German Chancellor Angela Merkel hosts the one-day conference of world powers on Sunday seeking to curb foreign military interference, solidify a cease-fire and help relaunch a political process to stop the chaos in the North African nation.