Talk of Mars has been seeping into just about every area of media, as rumors swirl that NASA’s current plans to return humans to the Moon will be replaced with plans to fly directly to Mars. Given that we can’t currently keep people alive on Mars, I’m really hoping that doesn’t happen, and I’d kind of like to walk through life making people read Kelly and Zach Weinersmith’s book “A City on Mars.” Sadly, you can’t actually make people read, but since you’re already hear, I’m just going to say it out loud - sending humans to mars this decade is just a bad idea but the robots we’re sending are...