On 9 April John Bolton took the post of president’s national security advisor officially. Before, he had been working as an analysts on Fox News channel – the favorite Trump’s TV channel. Bolton is in politics for 50 years already. His career started at the beginning of the 1970th when he was a trainee in President Nixon’s administration. After that he had different positions in administrations of the following presidents. Besides, he worked at the State Department of Justice, the Ministry of Justice, and the American Agency for International Development. Almost for two years he represented US in the UN. For several years already he has been standing for providing Ukraine with armory. He believes the situation in Donbass is an example of Obama’s policy failure.