Tuesday's Headlines: GOP mainstream flocks to Rubio as last hope against Trump

Hoping to end charges of 'dirty tricks,' Cruz fires spokesman; Young voters are failing Sanders as they have failed others before him; New study finds that seas are rising faster than they have in 2,800 years; Abortion foes' strategy to focus on a mother's health faces a key test at the Supreme Court;   The morning's most important stories, selected by Post editors   Top Stories Chris Keane / Reuters GOP mainstream flocks to Rubio as last hope against Trump The senator has yet to win a state, and his path remains narrow and perilous. But with Jeb Bush's exit from the GOP presidential campaign, many increasingly see Marco Rubio as the candidate most likely to stop Donald Trump. By Sean Sullivan  •  Read more » Hoping to end charges of 'dirty tricks,' Cruz fires spokesman In a dramatic attempt to silence accusations about dishonesty in his campaign, the senator fired the longtime aide for tweeting an inaccurate video of Marco Rubio appearing to disparage the Bible. By David Weigel and Katie Zezima  •  Read more »   Young voters are failing Sanders as they have failed others before him The senator from Vermont earns far more support than Hillary Clinton among people younger than 30, but that enthusiasm isn't translating into wins in state contests. By Philip Bump  •  Read more »   New study finds that seas are rising faster than they have in 2,800 years Scientists calculated that had humans not been warming the planet, there's very little chance sea levels would have risen so much in the 20th century. By Chris Mooney  •  Read more »   Abortion foes' strategy to focus on a mother's health faces a key test at the Supreme Court The shift by antiabortion activists to spotlight women, rather than only the unborn child, has resulted in states across the country enacting stringent regulations on clinics and the doctors who work in them all in the name of protecting women from allegedly unsafe conditions. By Sandhya Somashekhar  •  Read more »   ADVERTISEMENT   Opinions   GOP silence on Trump is inexcusable By Editorial Board  •  Read more »   Trump is the product of our failed political system By Eugene Robinson  •  Read more »   Who's leading a voter revolution? Hint: It's not Bernie Sanders. By Catherine Rampell  •  Read more »   Majorities of Republicans didn't vote for Trump. They may get him anyway. By Dana Milbank  •  Read more »   Donald Trump's reflexive cruelty By Richard Cohen  •  Read more »   Timely lessons from 'Mockingbird' By Michael Gerson  •  Read more » ADVERTISEMENT   More News   Russia wants to fly more spy planes over the U.S., and the Pentagon can’t stop it The Open Skies treaty allows members -- including the U.S. and Russia -- to carry out surveillance flights over other nations. By Dan Lamothe  •  Read more » Kalamazoo police: Uber driver's alleged rampage is 'baffling' Jason Brian Dalton has been charged with six counts of murder, but investigators are still searching for a motive in the seemingly random attacks. By Mark Guarino, Wesley Lowery and Mark Berman  •  Read more » Black Law Students at Georgetown angry at conservatives' response to Scalia's death The Black Law Students Association added its voice to the debate at Georgetown Law over how and whether to mourn the death of Supreme Court Justice Antonin Scalia. By Susan Svrluga  •  Read more » In 1992, Joe Biden argued against naming new justice in an election year Senate Republicans have an unlikely ally in their quest to block President Obama's Supreme Court nominee: the vice president. By Mike DeBonis  •  Read more » Another famine could threaten Ethiopia A horrible history could repeat because of a devastating drought. Relief agencies warn that food aid could run out by May. But unlike in the past, international donors are distracted by crises elsewhere. By Paul Schemm  •  Read more » Official in charge of breached OPM systems retires days before House hearing Since the database breaches, GOP lawmakers had repeatedly called on the Obama administration to fire Donna Seymour, who was the chief information officer at the Office of Personnel Management. By Eric Yoder  •  Read more » We all know exercise helps you live longer. But this will actually get you off the couch. "It's really hard to find something that is not improved with exercise," one expert said. By David Brown  •  Read more »         Share Today's Headlines:       Twitter      Facebook Trouble reading? Click here to view in your browser. You received this email because you are signed up for Headlines. For additional free newsletters or to manage your newsletters, click here. We respect your privacy. If you believe that this email has been sent to you in error or you no longer wish to receive email from The Washington Post, click here. Contact us for help. ©2016 The Washington Post, 1301 K St NW, Washington DC 20071