President Joe Biden took part in a 50-minute telephone call with Russian President Vladimir Putin Thursday. On the call, Biden urged Putin to de-escalate tensions with Ukraine, making clear that the United States and its allies and partners will respond decisively if Russia further invades Ukraine, according to a statement from White House press secretary Jen Psaki. Biden also expressed support for diplomacy ahead of high-level bilateral talks between Russia and the United States scheduled for the week of Jan. 10 in Geneva. These will include the Strategic Stability Dialogue, as well as the NATO-Russia Council and the OSCE Permanent Council meeting. Biden reiterated that substantive progress in these dialogues can occur only in an environment of de-escalation rather than escalation. Russia has amassed troops at its border with Ukraine in recent weeks with estimates of more than 90,000 along the border and in Russian-annexed Crimea. Earlier this month, Moscow …