Gold Star father Khizr Khan said Tuesday that President Trump is essentially a glitch in the U.S. democratic system that the country will have to survive in order to return to its constitutional principles.

Khan said on MSNBC there is a real fear in the country about Trump’s presidency. But pointed to the title of his new book, An American Family: A Memoir of Hope and Sacrifice, as a sign there is still hope in the U.S.