https://www.washingtonpost.com/politics/the-russian-tycoon-next-door-putin-ally-is-tied-to-one-of-dcs-swankiest-mansions/2017/11/28/15f913de-cef6-11e7-81bc-c55a220c8cbe_story.html Putin ally is tied to one of D.C.’s swankiest mansions