No, if he really had proof, he'd provide it. It's just another lie, like, "I'll build a wall that Mexico will pay for", or "I have a secret plan to defeat Isis", or "I have a health care plan that will cover everyone and it's so simple".
Somehow, his fans keep falling for his bullshit. It's bizarre.
Who was that who famously said something about a sucker being born every minute? lol
