In his new book, Boiling Point, journalist and historian Stephen Kinzer traces decades of US involvement in Ukraine, which helped start one of the deadliest and most consequential conflicts in the 21st century. By John P. Ruehl The narrative surrounding the Ukraine war often marks its beginning on February 24, 2022, when Russia launched its full-scale invasion. But the rivalries and political decisions that brought the two countries into conflict stretch back centuries. The s