Apple has never allowed ad-blocking software on the iPhone or iPad. This is one among many reasons that I ditched both. Not because I hate ads all that passionately, but because it's an example of the obsessive corporate control Apple maintains over its environment.

I’m just some white guy in California, and nobody in Flint is going to pay any attention to what I’m saying. I don’t blame them. Nor do doctors want to publicly agree with me, because nobody wants to downplay the effects of lead poisoning. I get that too. I can already imagine the number of tweets and emails I’m going to get demanding to know why I think Flint is no big deal.

I hate the idea that we might lose even a few talented future leaders because they fell for Bernie Sanders's spiel and then got discouraged when it didn't pan out.

Black crime rates fell more steeply than white crime rates, and now black incarceration is falling more steeply than white incarceration.

We stiffened the penalties for fraud, we extended nationwide efforts to make sure that payments are accurate and they closed a loophole in which people were gaming the system. We didn't change eligibility requirements or reduce the level of benefits.

The reporting is fake. Look, look...You know what it is? Here's the thing. The public isn't - you know, they read newspapers, they see television, they watch. They don't know if it's true or false because they're not involved.But I'm involved. So I know when you're telling the truth or when you're not. I just see many, many untruthful things.

Our system is a mess, but 90 percent of America has insurance coverage.