A Houston police officer spoke out for the first time about thwarting a potential mass shooting earlier this year, when a man with a rifle and 120 rounds of ammunition was spotted in a mall near a children’s dance competition. “I quickly bum rushed, tackled him. And my first reaction was to make sure that I get a hold of the rifle. No matter what I grabbed, make sure I grabbed that rifle,” Houston Sgt. Kendrick Simpo told ABC 13. “I had in my mind (that) I was going to get shot. I just had to bear the pain. I...