Democrats say that’s in part because much of the party’s energy is coming from younger, female and progressive activists, making it unlikely that the 76-year-old former vice president will march to the nomination. The first debates are next month.

Quotable: “At this point no one thought that a peanut farmer from Georgia was going to be president, or that a governor from Arkansas was going to win or that a guy named Barack Obama was going to be able to capture the White House,” said one of the candidates, Senator Amy Klobuchar of Minnesota.

Related: The path to the White House runs through places like Lordstown, Ohio, where layoffs at a General Motors plant have left former workers feeling politically lost.

Google’s shadow work force

As of March, the company worked with roughly 121,000 temporary workers and contractors around the world, compared with 102,000 full-time employees, according to an internal document obtained by The Times.

Although they often work side by side with full-timers, Google’s temps are usually employed by outside agencies and make less money, have different benefits and have no paid vacation time in the U.S., according to more than a dozen current and former workers.

Go deeper: Google has said it would improve conditions for its temps and contractors. While the reliance on temporary help has generated more controversy inside Google, the practice is common in Silicon Valley.