Four takeaways from Trump's explosive interview

President Trump, in a wide-ranging and sometimes testy interview with NBC News's Kristen Welker that aired Sunday, touched on a variety of topics as the 18-month mark of his second term approaches.

On "Meet the Press," the president discussed ongoing negotiations with the Iranian government, defended his administration's short-lived "anti-weaponization" fund and again called on the Federal Reserve to slash interest rates...