Phoenix hits another 110-degree day and wildfires spread in California, Trump's political committee spent more than $40 million on legal fees, and lower your cancer risk with just four minutes of exercise.

Trying to limit domestic terror and mass shootings should be simple, but it's not. Byron Tau of the WSJ lays out why the US Constitution is restraining the FBI's ability to reduce mass violence, and possibilities for working around it.

With legal weed becoming more mainstream, why is it so hard to find if your a scientist? Sarah Owermohle from POLITICO gives us a look.