First Biden-Putin call shows both cautious on big concerns

Then-Vice President Joe Biden, left, shakes hands with Russian Prime Minister Vladimir Putin in Moscow, Russia, on March 10, 2011. (AP Photo/Alexander Zemlianichenko, File)

WASHINGTON — U.S. President Joe Biden and Russian leader Vladimir Putin held their first conversation as counterparts Tuesday in a phone call that underscored troubled relations and the delicate balance between the former Cold War foes.