"He said some now want to “stage a Maidan in Washington,” in reference to the alleged U.S. role in organizing protests in the main square of the Ukrainian capital, which chased the nation’s Russia-friendly president from power in 2014."
LOL! It's not "alleged," any more than 'Earth's sky appears blue' is alleged. The fact that the 2014 coup in Ukraine was USA-sponsored is recorded proven in Victoria Nuland's leaked "f*** the EU" phone call with the USA ambassador to Ukraine - in addition to the billions of dollars the USA funneled into 65 disruptive activities in Ukraine, the years prior to the coup in Kiev.
Former high-level CIA-agent and advisor to 7 USA presidents Ray McGoven talks about those things in this video interview, which also includes the recording of Victoria Nuland's leaked phone conversation, where she discusses installing Arseniy Yatsenyuk as the post-coup Ukrainian PM, because of his willingness to play ball with pro-NATO/EU objectives:
https://youtu.be/NeSfvA4cCtg