Tucker Carlson grilled Ted Cruz about Iran, telling the Texas Republican at one point that he doesn't "know anything" about the country.

"Let him go get a television network and say it so that people listen," the president fired off at the former Fox News star.

Tucker Carlson and Sen. Ted Cruz (R-Texas) got into a fiery exchange on Tuesday over the senator’s support for President Trump and his posturing toward Israel in its escalating conflict with