There's a very good reason for Rubio and Cruz not to destroy Trump  —  It has long been tempting to look at the rise of Donald Trump as a textbook case of what economists call a “collective action problem.”  It's what happens when a group of people fail to work together, for selfish individual reasons …

A Responsibility I Take Seriously  —  The Constitution vests in the President the power to appoint judges to the Supreme Court.  It's a duty that I take seriously, and one that I will fulfill in the weeks ahead.  —  It's also one of the most important decisions that a President will make.

Grassley hasn't heeded White House invite on SCOTUS vacancy  —  A White House invitation for U.S. Sen. Chuck Grassley to discuss the current U.S. Supreme Current vacancy with President Barack Obama has so far gone unanswered.  —  Turning down the meeting would represent a break in protocol …

The $400,000-a-year New Zealand job with three months' holiday that no one wants  —  GP surgery in Tokoroa has been looking for a junior doctor for two years, with no takers so far despite generous package  —  A rural GP in New Zealand is offering a $400,000 (£190,000) …

Melania Trump: ‘I followed the law’ as immigrant  —  Melania Trump is defending her husband's campaign, particularly his outspoken rhetoric on immigration and what critics have perceived as a harsh tone directed toward women.  —  “I followed the law,” Trump said in an interview …

Car Salesman Killed in Crash During Corvette Test Drive at Ontario CarMax; Driver Arrested  —  A used car salesman was killed when a red Corvette crashed during a test drive in Ontario, and the prospective car buyer was arrested on suspicion of vehicular manslaughter Tuesday afternoon, police said.

Mega-donors shy away from fight with Trump  —  As Donald Trump picks up momentum, the chances of a well-funded assault to block him from the Republican presidential nomination are dramatically dwindling, according to interviews with about a dozen donors and operatives who are appalled by the billionaire real estate showman's campaign.

Reactions Now Available Globally  —  Every day, people come to Facebook to discover what's happening in their world and around the world, and to share all kinds of things, whether that's updates that are happy, sad, funny or thought-provoking.  News Feed is the central way you can get updates …

Clinton: ‘Why is there one standard for me and not for everybody else?’  —  Hillary Clinton pushed back on questions over the transcripts of her paid speeches during a televised Democratic town hall Tuesday, asking, “Why is there one standard for me and not for everybody else?”

Morning Blow: How Joe and Mika Became Trump's Lapdogs  —  Joe Scarborough and Mika Brzezinski should be herded into a rocket and shot into space for their brown-nosing of Trump  —  All-time great comedian Harry Shearer, the man who brought us voices from The Simpsons and cucumber-hoarding …

The torture of watching my husband choose between his beliefs and his old friend the PM: Daily Mail columnist SARAH VINE's intensely personal account of a momentous decision  —  For months, I had known the storm was coming.  I first raised the subject with my husband Michael Gove last summer …