Few would deny the importance of tackling online hatred or child abuse content. The internet, after all, has become a key weapon for those who disseminate and incite hatred and violence against minorities, and for those who pose a horrifying threat to children.

Donald Trump's mini-me, Boris Johnson, is in the ascendant: the Tory crown is his to lose. But his colleagues know he's an incompetent, a man who cares only for himself, who was fired twice - by a newspaper editor and a party leader - over allegations of dishonesty.

In the 1920s prohibition in the US notoriously failed to tackle alcohol use, led to lethal forms of liquor entering the black market, fuelled organised crime and its associated violence, and wasted public money.

A sneer can often reveal far more about the sneerer than the object of their derision.

But cutting the working week would free the individual, giving millions of workers more time to spend as they see fit. Human freedom should be the core aim of modern socialism. The right to work less would be an act of liberation - and a cause the left should embrace.

The passenger pigeon, the golden toad, the Caspian tiger: they are all gone, and other species hang by a thread. Our actions are not merely driving other species to extinction: we threaten our own survival, too, by destabilising ecosystems and destroying biodiversity.

In 2013, 71 percent of black children in America were born to an unwed mother, as were 53 percent of Hispanic children and 36 percent of white children. Indeed, a single parent is the new norm.

Technology companies must constantly weigh ethical decisions: Where should Facebook set its privacy defaults, and should it tolerate glimpses of nudity? Should Twitter close accounts that seem sympathetic to terrorists? How should Google handle sex and violence, or defamatory articles?

One of our worst traits in journalism is that when we have a narrative in our minds, we often plug in anecdotes that confirm it. Thus we managed to portray President Gerald Ford, a first-rate athlete, as a klutz.

Wilderness trails constitute a rare space in America marked by economic diversity. Lawyers and construction workers get bitten by the same mosquitoes and sip from the same streams; there are none of the usual signals about socioeconomic status, for most hikers are in shorts and a T-shirt and enveloped by an aroma that would make a skunk queasy.

Most of the time in America, we're surrounded by oppressive inequality such that the wealthiest 1 percent collectively own substantially more than the bottom 90 percent. One escape from that is America's wild places.

If only meat weren't so delicious! Sure, meat may pave the way to a heart attack. Yes, factory farms torture animals. Indeed, producing a single hamburger patty requires more water than two weeks of showers. But for those of us who are weak-willed, there's nothing like a juicy burger.

Our public figures are often narcissists, utterly self-absorbed in their quest for power.

It's maddening in my travels to watch children dying simply because they were born in the wrong place at the wrong time.

If I wanted a circus ringmaster, I'd hire Trump. If I wanted advice on brain surgery or hospital management, I'd turn to Carson. Fiorina would make an articulate television pundit. But for president?

There's something to be said for CEOs' entering politics: In theory, they have management expertise and financial savvy. Then again, it didn't work so well with Dick Cheney.

For all Trump's criticisms of government, his family wealth came from feeding at the government trough. His father, Fred Trump, leveraged government housing programs into a construction business; the empire was founded on public money.

Saudi Arabia inflames the Sunni-Shiite divide and sets a pernicious example of intolerance by banning churches.

In effect, Saudi Arabia legitimizes fundamentalism, religious discrimination, intolerance and the oppression of women. Saudi women not only can't drive, but are also told by some clerics that they mustn't wear seatbelts for fear of showing the outlines of their bodies.

Saudi Arabia isn't the enemy, but it is a problem. It could make so much positive difference in the Islamic world if it used its status to soothe Sunni-Shiite tensions and encourage tolerance. For a time, under King Abdullah, it seemed that the country was trying to reform, but now under King Salman, it has stalled.

Saudi Arabia has supported Wahhabi madrasas in poor countries in Africa and Asia, exporting extremism and intolerance. Saudi Arabia also exports instability with its brutal war in Yemen, intended to check what it sees as Iranian influence.

Dr. Ben Carson has the most moving personal narrative in modern presidential politics. His mother, one of 24 children, had only a third-grade education. She was married at age 13, bore Ben and his brother, and then raised the boys as an impoverished single mother in Detroit. As a young boy, Carson was a terrible student.

In Angola, I visited 'HeroRats' that have been trained to sniff out land mines (and, in some countries, diagnose tuberculosis). In a day, they can clear 20 times as much of a minefield as a human, and they work for bananas!

The U.N. Population Fund has a maternal health program in some Cameroon hospitals, but it doesn't operate in this region. It's difficult to expand, because President Bush has cut funding.