When Redlines Fail: The Promise and Peril of Public Threats

With Russia massing troops on its border with Ukraine and apparently readying for an invasion, U.S. President Joe Biden's administration has faced persistent questions about its redlines in that conflict. Senior U.S. officials have avoided spelling out exactly how much Russian aggression is too much, but they have stated clearly that a military invasion would trigger "massive" economic consequences for Moscow.

Read Prof. Powers's full Foreign Affairs aritcle here.