From the 2014 seizure of Crimea to the invasion of Ukraine, this is the inside story of a decade of clashes - as told by the Western leaders who traded blows with Putin's Russia.
1978
2001
2011
2021
2020
2019
2006
1988
2022
1994
1964
2026
1986
2024
2009
2023
2018
2025