Here's what's happening today in America...

• Joe Biden makes one of the biggest campaign promises in history 

• Bernie Sanders says NO ONE will be able to avoid his new healthcare plan 

• A Christian baker in Colorado is facing a third lawsuit for so-called discrimination

• The FBI descends on the Dominican Republican after the mysterious deaths of American tourists 

• Jon Stewart eviscerates Congress for failing to support 9/11 first responders 

• Bill's Message of the Day about Jon Stewart.