Clifton Leaf, Fortune

Clifton Leaf

Fortune

New York, NY, United States

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Recent articles by Clifton:

Investing For Upside—Without Much Downside

Over the past 20 years, which investment portfolio has produced the most gain for the least pain? You may well be surprised. → Read More

Should I Invest In Stocks 2019? It Depends.

In the third quarter of 2007, at the summit of the last bull market, U.S. companies in the Standard & Poor’s 500 purchased a staggering $172 billion worth of their own stock. Some two years later, when those same shares were priced like week-old biscuits, CEOs couldn’t find a bargain worth snatching—at least when it came to their own stocks. In the second quarter of 2009, S&P 500… → Read More

2018 Midterm Elections: Here Are the Real Swing Voters on Nov. 6

These are the demographics that will really matter this November 6. → Read More

Why A.I. Is Business’s Next Frontier

Companies only barely understand THE capabilities and limitations of artificial intelligence—but that isn’t stopping them from GOING ALL IN. → Read More

Why A.I. Is Business’s Next Frontier

Companies only barely understand THE capabilities and limitations of artificial intelligence—but that isn’t stopping them from GOING ALL IN. → Read More

On Columbus Day—or Indigenous Peoples’ Day—a Reflection on the Three-Day Weekend

Should every weekend last 72 hours? That question is being tested more often—and in more places—than you might think. → Read More

Brainstorm Health: The Three Day Weekend, DIY Hearing Aid, HPV Vaccine

The battle lines have been drawn in America. But on one critical issue at least, the divide isn’t between red state and blue state, conservative and liberal, rural dweller and urbanite. In this particular clash of principles, crimson Alabama and Arizona have aligned themselves with azure Connecticut and Massachusetts; Idaho is in accord with New York; Texas is in league with Vermont.… → Read More

Brainstorm Health: Ovarian Cancer and Aspirin, Lilly Diabetes Data, Chemistry Nobel Prize

Hippocrates used it. As did Pliny the Elder—and then, too, Galen of Pergamon, perhaps the greatest physician-scientist of antiquity. Passed down from the Greeks and Romans, Sumerians, Assyrians, and Egyptians, the remedy drawn from the bark of a willow tree, was known to have extraordinary powers for reducing pain, swelling, and even fever. Pliny was said to have burned the bark and turned the… → Read More

An Old, Over-the-Counter Drug May Help Prevent Ovarian Cancer. How Old? Try 2,000 Years

Can low-dose aspirin help keep a deadly cancer at bay? A new study says yes. → Read More

She Just Won the Nobel Prize in Physics. Why Is She Still a Junior Professor?

Donna Strickland is the first woman to win a Nobel Prize in Physics since 1963. Maybe her university will finally promote her, Clifton Leaf writes. → Read More

What Google CFO Ruth Porat Didn’t Have When She Got Cancer

One of America’s Most Powerful Women fought cancer twice and ascended to the top ranks of the business world. Here’s one thing she would advise anyone who’s climbing the ladder. → Read More

Brainstorm Health: Most Powerful Women, Physics Nobel Laureate, Juul Crackdown

Happy Tuesday, Dailies. I’ve been lucky enough to have spent yesterday and today at Fortune’s annual summit for the Most Powerful Women in Business—a gathering of such dynamic energy, wisdom, and brimming insight that it’s hard to believe this isn’t required coursework in business schools everywhere. But since it isn’t, I would urge you to spend some time on Fortune.com browsing through the… → Read More

A Nobel Prize for Jim Allison and Tasuku Honjo: A Win for Cancer Research

Two pioneers in cancer immunotherapy receive medicine’s highest honor. No one on the planet will disagree with this selection. → Read More

Brainstorm Health: Nobel Prizer Winners, CAR-T Glitch, Pfizer's Next CEO

Happy Monday. The 2018 Nobel Prize in Physiology or Medicine was awarded today to James P. Allison and Tasuku Honjo for groundbreaking discoveries that have led to a genuine revolution in cancer therapy—techniques that harness the human immune system to fight this family of diseases. It is a damn good choice. To understand why, it helps to consider one of the central and enduring mysteries of… → Read More

Brainstorm Health: Kavanaugh Vote, Hepatitis E, Lilly and Pfizer FDA Approvals

The televised hearing before the Senate Committee on the Judiciary yesterday centered on a single essential question: Did Brett Kavanaugh sexually assault Christine Blasey (now Dr. Christine Blasey Ford) at a high school party in the summer of 1982, when he was 17 years old and she was 15? Over some three hours of questioning by a Senate interrogator, Dr. Ford made a compelling case that he did.… → Read More

Commentary: Does Brett Kavanaugh Have the Temperament to Be on the Supreme Court?

Yesterday’s Senate hearing may not have answered the question of whether a young Brett Kavanaugh committed sexual assault. But it answered another one. → Read More

Anatomy of a Bull Market

Who's responsible for the strong stock market: Trump, Obama, Bernanke, Yellen? Answer: Tech companies. A look at what's behind the boom. → Read More

Meet the Powerful Women Who Created This Year's ‘Most Powerful Women’ List

Behind our 21st edition of the MPW list is a crack team of editors, writers, video producers and photographers. → Read More

The Four Best Investments We Can Make in the Global War on Poverty

The Bill & Melinda Gates Foundation's new report maps out a battle plan. → Read More

What Sickened the Mona Lisa? A 500-Year-Old Medical Mystery Is Solved…Twice.

Physician-historians are diagnosing unusual illnesses in the figures of famous paintings—and then arguing over it. → Read More