A mother cradling her infant child.

If the better angels of human nature were to prevail, this picture could become one of those pictures — a single frame that captures an essential piece of the 21st century.

Two human beings, stripped way past bare: two brains, connected in a universal human pose, a mother cradling her infant child.

Rebecca Saxe, a neuroscientist (and my colleague) at MIT, is a maestro of the camera that can make such images, the functional magnetic resonance imaging machine, or fMRI. To create an fMRI portrait, a subject must lie still inside a narrow cylinder, the inside of a giant electromagnet. The artful manipulation of electromagnetic fields catches the brain in the act — not quite the act of thinking, but of working, nerve cells grabbing oxygen to power the action that ultimately adds up to an idea, a gesture, a feeling.

Because sometimes all you can do is cope. One foot in front of the other, one step at a time. Got a nice Thanksgiving message (okay, a block email) from my senior Senator Elizabeth Warren…

I buy all sorts of things for Thanksgiving that no one in the family eats much during the rest of the year. Jell-O for Aunt Bee’s special dish (she’s gone, but the green Jell-O salad lives on). Canned onion rings. Marshmallows.

I’d stopped doing the sweet potatoes with toasted marshmallows on top, only to get protests from the family. I said I wasn’t going to keep making it. “You don’t eat more than a few nibbles, and I end up throwing most of it out.”

My daughter Amelia and son Alex dissolved into gales of laughter. “No, no, you’ve got to keep making it.” Even Bruce was in on the joke.

Finally they confessed why they looked forward to the dish. The last thing I do, once all the dishes are laid out and the turkey is on the table, is put the sweet potato casserole topped with carefully arranged marshmallows under the broiler, while everyone heads to the table.

And about half the time, I get distracted and remember the sweet potatoes only after the marshmallows have caught fire.

Amelia and Alex claim that, while they were growing up, that was the highlight of Thanksgiving: Would mom set the marshmallows on fire again this year? And, if I did start a fire, how exciting would it be? Would I scream? Would I set the kitchen towels on fire again? Would I carry the flaming dish to the sink while everyone rushed into the kitchen and yelled advice? …

Thanksgiving is a time to be grateful. As I look around this morning at my own kids and grandkids, making new traditions and hopefully not setting the house on fire, I’m deeply thankful to have the opportunity to fight for families in Massachusetts and all across the country – and I’m thankful to have you with me for those fights.

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This is a horrible thing to have to say about one's own country, but this story makes it official. America is now too dumb for TV news.

It's our fault. We in the media have spent decades turning the news into a consumer business that's basically indistinguishable from selling cheeseburgers or video games. You want bigger margins, you just cram the product full of more fat and sugar and violence and wait for your obese, over-stimulated customer to come waddling forth.

The old Edward R. Murrow, eat-your-broccoli version of the news was banished long ago. Once such whiny purists were driven from editorial posts and the ad people over the last four or five decades got invited in, things changed. Then it was nothing but murders, bombs, and panda births, delivered to thickening couch potatoes in ever briefer blasts of forty, thirty, twenty seconds.

What we call right-wing and liberal media in this country are really just two different strategies of the same kind of nihilistic lizard-brain sensationalism. The ideal CNN story is a baby down a well, while the ideal Fox story is probably a baby thrown down a well by a Muslim terrorist or an ACORN activist. Both companies offer the same service, it's just that the Fox version is a little kinkier.

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