Islamist extremists on the loose in the Middle East, drug cartels running wild south of the border, Ebola, nuclear proliferation, ubiquitous surveillance, climate disasters, beheadings. It's easy to imagine things are worse than they have been in a long time. We don't have the benefit of hindsight, yet we can take a step back and try to take a more detached look at things. The world may seem like a scary place but it's also one full of promise, potential, and progress. Things are better than they've ever been before, writes Ed Krayewski, and they're getting better still.