20 photos show how summer vacation in the US has changed over the last 100 years

These days, summer vacation is more than sitting by the pool or biking around the neighborhood.
Opinion

'You don't need college to learn': Elon Musk says degrees don't prove ability; Sanjeev Sanyal agrees

'If you're trying to do something exceptional, you must have evidence of exceptional ability. I don't consider going to college evidence of exceptional ability,' says Musk ...