President Biden and Russian President Vladimir Putin held a two hour video conference call as a Russian troop buildup on the border with Ukraine has caused fears of a military invasion. The White House released a statement that said President Biden warned of “strong economic and other measures’ against Moscow if an invasion would take place. FOX’s Trey Yingst speaks to Frederick W. Kagan, Senior Fellow and Director of the Critical Threats Project at the American Enterprise Institute, on the meeting between the two leaders and why the West needs to stand behind Ukraine.