Over the weekend, three people were stabbed and more than a dozen arrested at a Ku Klux Klan rally in Anaheim. The white supremacist group has been in the news for other reasons too. Today, Donald Trump is getting blasted by his Republican competitors for failing to denounce the KKK when asked about it on CNN Sunday. So what's going on? Why is the KKK suddenly in the spotlight again and what is its presence here in California?