From NYRB, Steven Weinberg on the trouble with quantum mechanics; and can we escape from time? John Lanchester reviews Time Travel: A History by James Gleick (and more). The "grandfather paradox" of time travel has been puzzling philosophers, quantum physicists and novelists for years — now there's an answer. Just how much of physics is real, and how much of reality is physics? Physics may be a small but crucial fraction of our reality. Why science should stay clear of metaphysics: Meet the philosopher who revived anti-realism. Claudia Ribeiro (Lisbon): Unjustified Criticism of Metaphysics. Alfred Driessen (Twente): The Role of Philosophy as a Guide in Complex Scientific and Technological Processes.

When science went modern: If advances in knowledge were never-ending, could any scientific theory or empirical result count as real knowledge — true forever and always? The dark energy of a theoretical physicist: For Lisa Randall, science is the best way to deal with the foolishness of everyday life.

Herman Johnson (Samford): From Status to Agency: Abolishing the "Very Spirit of Slavery". Kim Forde-Mazrui (Virginia): The Canary-Blind Constitution: Must Government Ignore Racial Inequality? Kemal Kivanc Akoz (NYU) and K. Peren Arin and Christina Zenker (Zayed): The Political Consequences of Ethnic Tension: Theory and Evidence. The Divided States: Pankaj Mishra examines the dream of the multiracial democracy, and America's failure to realise it. The myth of a post-racial America: Pamela Newkirk wonders how much further back we can go. Trump's attack on John Lewis is also a racist smear against black communities. A sermon on the unbearable whiteness of America: Carlos Lozada reviews Tears We Cannot Stop: A Sermon to White America by Michael Eric Dyson.

From Lawfare, why are the Trump allegations hanging around when they haven't been substantiated? Spy agencies around the world are digging into Trump's Moscow ties. Trump's all-caps OANN tweet may be his most telling yet, and no one seems to care. Who's the illegitimate president now, Mr. Birtherism? Trump spent five years trying to delegitimize Obama — now he's taking office under a cloud of suspicion, and only has himself to blame. James Comey is Democrats' best hope for stopping Trump. James Comey cannot be trusted with a Trump-Russia investigation. Donald Trump has persuaded Republicans to doubt the intelligence on Russia's hacking. Some on the Left want Democrats to move on from Russian hacking. A warning to the American media from a Russian journalist who covers Putin.

Jillian J. Jordan, Roseanna Sommers, Paul Bloom, and David G. Rand (Yale): Why Do We Hate Hypocrites? Evidence for a Theory of False Signaling. Cass Sunstein (Harvard): Is Cost-Benefit Analysis a Foreign Language? Against referendums: Referendums give people little say over what happens after the polls close. Obama's only Navy secretary Ray Mabus pushed an agenda of social change — now, he leaves with a warning. The Women's March on Washington has released its platform, and it is unapologetically progressive. A brief economic history of time: Capitalism changed how humans perceive the passage of hours, days, and weeks — this made people more productive, but did it make them any happier? Print media's moment of reckoning: Baird Davis on how reckless circulation practices are accelerating the demise of consumer magazines.

Joel Chow (Arizona): On the Structure of Democratic Authority. Daniela Cammack (Stanford): The Demos in Demokratia. Jose Luis Marti (Pompeu Fabra): Pluralism and Consensus in Deliberative Democracy. Christian F. Rostboll (Copenhagen): Democratic Respect and Compromise. Timothy McGettigan (Colorado State): The Big Fib: Democratic Ideals in an Unprincipled World. Ludvig Beckman (Stockholm) and Jonas Hultin Rosenberg (Uppsala): Freedom as Non-domination and Democratic Inclusion. The algorithmic democracy: AI is changing how we think, debate, and choose. You can download Democratic Reason: Politics, Collective Intelligence, and the Rule of the Many by Helene Landemore (2013).

From Boston Review, is globalization to blame? Dean Baker on how the loss of jobs that accompanied globalization could have been avoided (and responses). Mexicans are the Nafta winners? It's news to them. Begun, the trade wars have: Donald Trump has been very consistent about his preferred trade policies — his proposed trade representative, Robert Lighthizer, is just the latest data point. Donald Trump sure seems like he's serious about starting some trade wars. Is Trump's tariff plan constitutional? Top U.S. trade official Michael Froman sounds alarm over protectionist policies. Jason Furman, Katheryn Russ, Jay Shambaugh on how US tariffs are an arbitrary and regressive tax. Why Trump's trade plan could be a tax on the poor. The cost of Trump's protectionist policies will be borne by American consumers.

Maria Marcinkowska-Rosol (UAM): Philosophical Usage of the History of Philosophy: A Proposal for a Functional Typology. What kind of citizen was he? Conventional wisdom sees Socrates as a martyr for free speech, but he accepted his death sentence for a different cause. Cicero used to be boring — with Trump around, he’s breathtaking. The philosopher who helped create the information age: Gottfried Wilhelm Leibniz isn’t a household name—but he should be. From NYRB, Thomas Nagel reviews The Dream of Enlightenment: The Rise of Modern Philosophy by Anthony Gottlieb; and Peter E. Gordon reviews Kierkegaard: Exposition and Critique by Daphne Hampson. Omri Ben-Zvi (HUJI): Why Should We Care About Nietzsche's “Higher Men”? “One of the great intellects of his time: Ray Monk reviews Frank Ramsey (1903–1930): A Sister’s Memoir by Margaret Paul.