Analysis: Polls show substantial support for candidates like RFK Jr. How much of it is real?

​ Third-party and independent candidates like Robert F. Kennedy Jr. are making an unusually strong showing in early polls of this fall’s presidential race – a finding that not only highlights a strain of dissatisfaction with Joe Biden and Donald Trump but also adds further uncertainty to what is shaping up to be a close contest between them. Read More Breaking News, Latest News and Videos | CNN