In a lengthy sit-down with independent presidential candidate Robert F. Kennedy Jr., MSNBC’s Ari Melber on “The Beat” confronted the third-party candidate about his suspected bromance with former President Donald Trump, his opponent and presumptive Republican nominee for the 2024 election. Melber mentioned how RFK Jr. “seems warm” to Trump and “he is clearly warm towards you.” “I would definitely disagree with that,” he said. “He just called me a ‘radical effing liberal.” (A Republican group reportedly is launch that profane campaign.) Want more breaking political news? Click for the latest he…