John Bolton, the former national security adviser to President Donald Trump, talks with USA TODAY's Washington Bureau chief Susan Page about his new book, "The Room Where It Happened." RELATED: Watch Trump's campaign rally in Tulsa, Oklahoma https://youtu.be/WcBTkokxAmc Bolton has gained national attention for his criticism of Donald Trump after spending nearly a year and half as the president's top adviser on national security. Bolton continues his criticism and recounts for USA TODAY some instances in which he questioned Trump's acumen, intelligence and dedication to issues of national security. Susan Page asks Bolton about the impeachment efforts led by House Democratic Party leadership, to which Bolton responds that he would have convicted Trump on Ukraine. But Bolton is not interested in supporting Joe Biden, or any other Democratic candidates in 2020. He plans to write-in a conservative of his own choosing.