When you hit the road, you want your tunes to come with you. But sometimes a pair of earphones—even noise-cancelling headphones—just isn’t enough. Whether it be serving as impromptu DJ for your friends or enhancing a presentation with a soundtrack, you need a portable speaker. Here are the best speakers for travelers that will let you pump up the volume …

David Cameron has named and shamed Kingston University for our choice of guests, but it’s our job to protect freedom of speech ‘Am I being reckless? No. I am being true to my obligations as a university vice-chancellor.’ Photograph: Alamy Kingston University, where I am vice-chancellor, was named and shamedby the prime minister last year for allegedly hosting Islamic “hate …