Heather Kelly writes: “Anyone with an internet connection can watch breaking news unfold in real time, or at least some version of it. Across social media, posts can fly up faster than most fact-checkers and moderators can handle, and they are often an unpredictable mix of true, fake, out of context, and straight propaganda. The risk is higher immediately after politically charged incidents such as the Trump rally shooting, which has already flooded social media with incorrect information and spawned a number of conspiracy theories. Here are some basic tools everyone should use when consuming breaking news online.”