Aired on US television during the latest episode of AMC's Walking Dead is the full length CG trailer that so many Mass Effect fans have been hanging out for. The Mass Effect 3 trailer in question, titled "Take Earth Back", is now on YouTube, so we've embedded it here for you to watch. And it's amazing. In other Mass Effect news, publisher Electronic Arts are sending copies into space. Yes, literally launching copies of the game into space, using weather balloons that will be released in major ca...