5 of RFK Jr.'s most controversial views

President-elect Trump's decision to nominate Robert F. Kennedy Jr. for Health and Human Services (HHS) secretary will put some of the former independent presidential candidate's most controversial views under deep scrutiny. 

Kennedy will need to win 50 Senate votes to get confirmed, and while that's far from impossible, a series of statements he's made in the past are likely to cause problems not only with Democrats, but some Republicans.  

Here are five issues likely to come up at his confirmation hearings...