(ABC) – Sources say Robert Kennedy Jr. is planning to drop out of the race for President and may endorse former President Trump. Robert F. Kennedy Jr, – the Independent candidate for president struggled to gain momentum on the national stage, and now sources say he’s calling it quits. Kennedy’s team is teasing a speech where he will address the nation on Friday from Phoenix, Arizona. The latest poll showed Kennedy polling at 5 percent – down from 10 percent a month ago, before Kamala Harris replaced Joe Biden at the top of the Democratic ticket.