As a deep freeze grips the US, Chicago will be colder than parts of Antarctica. Jennifer Francis on how frigid polar vortex blasts are connected to global warming. Here’s how global warming leads to colder winters in the Northeast (and more). Extremes of weather: One of the greatest symptoms of climate change. The planet has seen sudden warming before — it wiped out almost everything. Across America, climate change is already disrupting lives. Americans are worried about climate change — but don’t want to pay much to fix it. Billionaires are the leading cause of climate change: As the world faces environmental disaster on a biblical scale, it’s important to remember exactly who brought us here. In the face of climate apocalypse, the rich have been devising escape plans — what happens when they opt out of democratic preparation for emergencies? Climate action must now focus on the global rich and their corporations.

If you can’t deny it, downplay it: How capitalists talk about climate change. A science journal funded by Peter Thiel is running articles dismissing climate change and evolution. Many Americans think that climate-change deniers “get what they deserve” when disasters strike. “Innovation”: David Roberts on the latest GOP smokescreen on climate change policy. A coal baron’s takeover of the EPA is nearly complete: Andrew Wheeler used to lobby for Murray Energy — now he’s making its CEO’s deregulatory dreams a reality. Trump used the polar vortex to mock global warming — this map shows how wrong he is. NOAA seems to be fact checking Trump: Is it trolling, if scientists who know what they’re talking about do it?

Jennifer Mnookin (UCLA): The Uncertain Future of Forensic Science. U.S. intel chief disputes Trump on North Korea and ISIS (and more). The real wall isn’t at the border — it’s everywhere, and we’re fighting against the wrong one. Kamala Harris and the Democrats’ Medicare-for-all litmus test (and more). How to build a Medicare-for-all plan, explained by Jacob Hacker, somebody who’s thought about it for 20 years. Has Trump peddled bogus claims about the border because of a movie? Beth Braverman on how to future-proof your print magazines. Henry Farrell on the material power of ideas and knowledge. How sexism threatens peace in Afghanistan. When it comes to hungry Americans, we’ve lost our heart. Venezuela is how “illiberal democracy” ends. The Venezuela calumny: If screaming about a failing petrostate is all you have, you’ve lost the argument.

Taxing the superrich is an idea whose time has come — again. How Elizabeth Warren’s wealth tax could save America. What is the purpose of raising taxes on the wealthy? AOC’s 70 percent tax on the rich isn’t about revenue, it's about decreasing inequality. Howard Schultz blames Alexandria Ocasio-Cortez for his decision to run as independent (and more). Why billionaires with big egos now dream of being president. Dear billionaires: Stop running for president. Why Trump wants Howard Schultz to run for president, briefly explained. Has Howard Schultz really thought this through? Josh Marshall on Howard Schultz and his anti-Democratic Party campaign. Thread: “let's treat this as a teachable moment about what centrism means in America today”. Run, Howard, Run: A failed 2020 bid by the former Starbucks CEO would prove that Americans aren’t clamoring for a centrist businessman as president. Only Howard Schultz and a few others could do what Schultz is doing — and that’s the way in which “politics is broken”. “That is a perfect Beltway media tweet”.