Weakness in tackling Putin led to the Ukraine war warns former US national security chief

John Bolton was Donald Trump’s National Security Advisor from April 2018 to September 2019 having served in the administrations of Ronald Reagan, George Bush snr and George W. Bush.

​John Bolton was Donald Trump’s National Security Advisor from April 2018 to September 2019 having served in the administrations of Ronald Reagan, George Bush snr and George W. Bush.