Why were not thinking/debating/writing/tweeting about NATO expansion in 2009? 2010? 2011? 2012? 2013? 2014? 2015? 2016? 2017? 2018? 2019? 2020? Why are you now? Something change in Brussels? No. Putin massed his army on Ukraine's border and invented this "NATO expansion" crisis.

— Michael McFaul (@McFaul) February 9, 2022