Bipartisan backlash to Donald Trump's attack on an American ally. Tonight: the historic stakes of Donald Trump's support of Vladamir Putin. Plus, Sen. Elizabeth Warren on the world's richest man and his takeover of American government. Sen. Bernie Sanders on his grassroots push to resist the Trump administration. And an exclusive interview with former FTC Chair Lina Kahn.

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Guests: Rep. Jasmine Crockett, Jeff Guzzetti, Jason Stanley, Claire McCaskill, Tim Miller

Tonight: the latest flashing warning signs for the rule of law in America. Then, as Eric Adams heads to court, the slippery slope of a quid pro quo with New York's mayor. And as we get incredible new images of that crash landing in Toronto what we now know about what probably caused the horrific accident.

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Guests: Andrew Weissmann, Paul Butler, Sen. Peter Welch, John Brennan, Zach Beauchamp

Tonight: another stunning resignation, an ultimatum from Trump's DOJ enforcer, and new reporting on brazen corruption of justice unfolding in public view. Then, as the Vice President picks a fight with European allies, new Republican outrage over "rookie mistakes" on the world stage. And four weeks into the second term the evidence that the TRump power grab can be stopped .

Want more of Chris? Download and subscribe to his podcast, “Why Is This Happening? The Chris Hayes podcast” wherever you get your podcasts.