Source: The Jamestown Foundation By: Tetyana Zhurman On July 28, Ukrainian Orthodox Christians celebrated the 1,033rd anniversary of the Baptism of Kyivan Rus—a remarkable annual event for Ukrainian history and another reason for Russian President Vladimir Putin’s political speculations. After the Ecumenical Patriarch of Constantinople, Bartholomew I, signed the Ukrainian Orthodox Church tomos in 2019, granting it autocephaly—independence from the Russian Orthodox Church (see EDM, July 26, 2018; RFE, January 23, 2020)—experts warned that Moscow would double its efforts to weaponize religious issues as an element of its “hybrid war” against Ukraine  (Warsawinstitute.org, January 31, 2019). In his recent article “On the Historical Unity of Russians and…