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Tuesday voters flooded to the polls and caucuses in Arizona, Idaho and Utah. Hillary Clinton won Arizona, but Sanders gained in the delegate count by swamping her in the Idaho and Utah caucuses, generating turnouts that overwhelmed caucus sites. Arizona lines were so long because election officials in Phoenix's Maricopa County, the largest in the state, reduced the number of polling places by 70 percent from 2012 to 2016, to just one polling place per every 21,000 voters

Rachel Maddow | Bernie Sanders. Masters of War. Transporters and Quantum Teleportation. Making A Killing: Guns, Greed & the NRA. Samantha Bee | Cruz 101.

 With each primary victory—and each close call—Sanders has shown us our own strength.

Reader Comments: Fukushima Five Years Later; Clinton and Black Voters; Trump - Fascist; Bernie and Women; Misrepresenting the Working Class: Protest and Trump; In Praise of Impractical Movements; Why Virginia's Open Shop Referendum Should Matter; Protest Against Closing Down the Lukács Archives; Announcements: Welcome Federation of Cuban Women; CUNY Writers Against Austerity; Triangle Shirtwaist Factory Fire Commemoration; "Food Chains" Film Screening; and more...

The punditry is already rushing to crown Clinton the Democratic winner. However, the growing divide among Democrats between the older and the younger deserves more attention. The Clinton campaign people are certain that the threat posed by Trump or Cruz will help mobilize Democratic turnout. But a party whose leaders are selling more of the same may well find it hard to inspire young voters and independents who are looking for a very new deal.

The topic was protesters, and Trump's frustration was clear. "They're being politically correct the way they take them out," he sighed. "Protesters, they realize there are no consequences to protesting anymore. There used to be consequences. There are none anymore."

The press has largely blown the biggest political story of the last fifty years: not the shocking rise of Donald Trump, but how the GOP slowly set the stage for him.

The results prove it's far too early to declare the nomination contest over. As FiveThirtyEight's Harry Enten admits, to find an upset on the same scale as what Sanders achieved in Michigan you'd have to go back over 30 years. Those polls that put Illinois and Ohio out of Sanders's reach look a lot less reliable today. And if Sanders wins in those states, it won't be his viability as a candidate that is in question.

Can disruptive social movements change the world or are we better served by take-it-slow, wait-a-year-or-more-to-speak-up, incremental change? Mark and Paul Engler make a case for the former, arguing in their new book, This Is an Uprising: How Nonviolent Revolt Is Shaping the Twenty-First Century, that supposed pragmatism often stands in the way of genuine progress. The grand slogan of Paris, 1968 -- "Be realistic, demand the impossible" -- is sage and sober advice.