Federal and state gun laws. An ominous reversal on gun rights / by the New York Times ; Tennessee expands gun rights / by Katharine Q Seelye ; Supreme Court still divided on guns / by Adam Liptak ; States' rights vs. gun rights / by the New York Times ; Out of state guns / by Andrew Rosenthal ; State focus and infusion of funding buoy gun control advocates / by Eric Lichtblau ; Supreme Court will review New York City gun law / by Adam Liptak ; Defying N.R.A., Texas Lieutenant Governor favors background checks on private gun sales / by Neil Vigdor ; Lawmakers court Trump on gun safety, with some appealing to his ego / by Sheryl Gay Stolberg ; Clashing Senate reports and new questions on the N.R.A. / by Danny Hakim ; In a face-off with the N.R.A., San Francisco blinks / by Danny Hakim ; Watch out, America - the Supreme Court is back in session / by the New York Times ; S Supreme Court to weigh taking Bellwether case against gun industry / by Kristin Hussey and Elizabeth Williamson ; Second Amendment case may fizzle out at the Supreme Court / by Adam Liptak -- Violence and more violence. Nation reels after gunman massacres 20 children at school in Connecticut / by James Barron ; Adam Lanza's mental problems 'completely untreated' before Newtown shootings, report says / by Alison Leigh Cowan ; With Florida shooting surivors, N.R.A. spokewoman holds back. With conservatives, it's a different story / by Daniel Victor ; How Sandy Hook families hope to pierce the gun industry's legal shield / by Rick Rojas and Kristin Hussey ; Newtown wasn't an end for gun control. It was a beginning / by Maggie Astor ; A gun killed my son. So why do I want to own one? / by Gregory Gibson -- Factors affecting rights. Some wtih histories of mental illness petition to get their gun rights back / by Michael Luo ; Felons finding it easy to regain gun rights / by Michael Luo ; Answers on felons and gun rights / by Michael Luo ; Gun rights tilt / by Ross Douthat ; In gun debate, a misguided focus on mental illness / by Richard A. Friedman, M.D. ; Don't blame mental illness for gun violence / by the New York Times -- Debate continues. Global gun rights? / by Joshua Kurlantzick ; What bolstering gun rights will mean / by the New York Times ; With move to limit gun sales, Facebook is caught in debate / by David Streitfeld ; Checking facts and falsehoods about gun violence and mental illness after Parkland shooting / by Linda Qiu and Justin Bank ; Justices won't hear cases on waiting period for gun purchases / by Adam Liptak ; Why doesn't America know more about gun safety? / by the New York Times ; On gun control, 2020 Democrats agree: no reason to hold back / by Reid J. Epstein and Thomas Kaplan ; More retail chains ask customers to not carry guns openly / by Karen Zraick ; Pelosi and Schumer, in push for gun safety legislation, urge Trump to defy N.R.A. / by Sheryl Gay Stolberg ; Beto O'Rourke urges banks to cut services for gun sales / by Jacey Fortin ; As Trump weighs gun safety bills, Barr's plan draws skepticism / by Sheryl Gay Stolberg ; Trump on Virginia gun dispute: 2nd Amendment 'under very serious attack' / by Timothy Williams ; Amid tight security, Virginia gun rally draws thousands of supporters / by Timothy Williams, Sabrina Tavernise, Zolan Kanno Youngs and Sarah Mervosh.