Jimmy Carter's advice to a young person. My nephew Matthew, now a @Georgetown sophomore, shared this letter with me yesterday. Five years ago, he wrote to all the living presidents and asked for advice on how to participate in public service. Only Jimmy Carter responded. My

Attention doom scrollers! The one and only @votesolar is #hiring a Regional Director for the Midwest to cover campaigns in Minnesota and Michigan. Come work with me! Application link:

NEW: Today, for the first time in the history of our office, I am issuing a Surgeon General’s Advisory on Firearm Violence. Firearm violence is a public health crisis in America that poses a serious threat to the health and well-being of our country. https://t.co/bNS7xDa96X 1/10

How to stay calm (without any hacks) This is all you need.

60-Mile Sunset. #chicago

Been wanting to do this for years— sharing edtech playbooks (best of sales, marketing, privacy, HR, designing for customers etc) we’ve assembled since we started (many public and some commissioned) hoping they are useful to those building in learning/education. ~150 documents

Happy 95th birthday to the Adler Planetarium in Chicago

Totality: An HDR composite image of yesterday's eclipse. This photo used 5 cameras to capture thousands of photos during a 4 minute period. My goal was to capture the magic of the visual experience, and I hope this photo evokes similar emotions I experienced while watching it.

The tide is turning. Took time, but the positive here is we’re never going back now. #HealthyBuildings

A whole contingent of (so far only) U.S. MDs are very unhappy I said pharmacists should do more patient care. Which is too bad. Because they are trusted health professionals, accessible on a local level plus highly trained. Good read here 👇 https://t.co/uj6sikFhel

My daughter, Caroline and her baby wore red for @GoRedForWomen! @braun_lynne @DrTochiOkwuosa @DrLaxmiMehta @gina_lundberg @hvanspall @mmamas1973 @mirvatalasnag @biljana_parapid @DrJenniferCo_Vu @kylalaraMD @DoctorADDA @HeartOTXHeartMD @cardio10s @IsabelPlanekMD @DrToniyaSingh

The tennis scoring system ❤️ Many other sports require you to be in front when a timer runs out. In tennis, the finish line is dynamic and you have to keep winning points to win the match. The graph shows the 'points from victory' in the Medvedev v Zverev semi final at #AO24

Still one of my favorite photos of Nikki Haley

Talked to a health insurance exec at a brunch this AM. Asked him for some off the record thoughts on working with startups and what he really thought of pilots. He said “It’s so cute that they think we’re serious. We just do them so our staff doesn’t get bored.”

RIP Charlie Munger I'll always remember him for this talk he gave on the Psychology of Human Misjudgement. If you have an hour, it's well worth the time:

Wow. Watch this now.

🚨🚨"Our thesis is that a primary cause of the rise in mental disorders is a decline over decades in opportunities for children and teens to play, roam, and engage in other activities independent of direct oversight and control by adults." 🚨🚨(1/2)

The slow float away is killing me. He knew she was ending his fun time. 😂😂😂 Labs love being in the water. This guy is very typical. 🔊

I don’t know if I mentioned - the Boss Bruce Springsteen and the world famous E Street Band - just absolutely rocked Chicago with artistry soul grace - these were not simulations of humans - the real thing -