The idea of a celebrity endorsing a presidential candidate is nothing new, but the full-throated endorsement for Senator Bernie Sanders from one of the country`s biggest hip hop stars had surprised some political observers.

Now, [Donald] Trump has thus far gotten endorsements from illustrious group, that includes Sarah Palin, David Duke, Dennis Rodman, racially profiling birther sheriff, Joe Arpaio, vaping Congressman Duncan Hunter, and just this afternoon, infamous Maine Governor Paul LePage who accused drug dealers with D-Money, Smoothie and Shifty of impregnating white women.

If someone were to say, we should not letting Jews into the country, and people had a reaction against that, would that be the same thing as that kind of toxic political correctness tamping down honest discussion?

The central question for American politics right now is how did the country that elected Barack Obama elect Donald Trump. There's a lot to what Ta-Nehisi says about the racial reaction and backlash. And the power and the force and ultimately the success. The man who was selling this racist conspiracy theory about the first black President's birth: that's what launched him into a political career that ended up getting him elected the President of the United States. That is an absolutely remarkable fact.

Marco Rubio and Ted Cruz opened up a new line of attack on Donald Trump, targeting his involvement in Trump University, a for-profit, non-licensed now defunct institution which triggered lawsuits from individuals who claimed they were defrauded by him, as well as a suit alleging fraud from New York attorney general Eric Schneiderman.

Climate change is the biggest governing challenge we face. It's the biggest governing challenge I think we've ever faced.

What we do know is that the era of climate change is upon us and the extraordinary in California today will become the ordinary of tomorrow.