Anchored by Jake Tapper, The Lead airs at 4 p.m. ET on CNN.
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(CNN) – Vice President Joe Biden condemned Russian President Vladimir Putin's moves Wednesday.
"As long as Russia continues on this dark path, they will face increasing political and economic isolation," Biden said, speaking in Estonia.
Could that dark path lead to another Russian land grab? And where could Putin strike next?
The Heritage Foundation's Peter Brookes and Brookings Institute's Fiona Hill, author of "Mr Putin: Operative in the Kremlin," join CNN's "The Lead with Jake Tapper" to discuss.