The UN can go as far as the U.S. will allow, and no further. And it's bound by conditions that the powerful states, which means mostly the U.S., impose.

In fact, when drugs are legalized, use sometimes goes down, it's been claimed. Part of the reason is that teenage kids use illicit drugs because they are illicit. They are thumbing their noses at society. If they were legal, they might not.

One of the benefits of a properly functioning democracy is minority rights and majority rule.

Around 2008 and again in 2013 NATO officially offered the Ukraine the opportunity to join NATO. That's something no Russian government is ever going to accept. It's right at the geopolitical heartland of Russia.

Don't be obsessed with tactics but with purpose. Tactics have a half life.

That's a point that Dan Ellsberg has made for years. He said it's kind of like if you and I go into a grocery store to rob it, and I have a gun. The guy may give you the money in the cash register. I'm using the gun even if I don't shoot. Well that's nuclear weapons - essential to post-war deterrence - they cast a shadow over everything.

The most important issues to address are the truly existential threats we face: climate change and nuclear war. On the former, the Republican leadership, in splendid isolation from the world, is almost unanimously dedicated to destroying the chances for decent survival; strong words, but no exaggeration. There is a great deal that can be done at the local and state level to counter their malign project.