The US presidential candidate from the Republican Party, Donald Trump responded to regular comments of the United States President Barack Obama on his address. Trump called Obama the worst president in history, gazeta.ru reports.
"In politics, and in life, ignorance is not a virtue." This is a primary reason that President Obama is the worst president in U.S. history!” Trump wrote this on his Twitter.
Earlier, Barack Obama said that a number of statements of Donald Trump is a betrayal of American values.