The apparent shooter who killed two children and injured 17 at a Minneapolis church Wednesday praised Texas congressional candidate and gun activist Brandon Herrera in a video posted before the shooting. The shooter, identified as 23-year-old Robin Westman, opened fire on children sitting in the pews during a morning Mass at Annunciation Catholic School. In a now-deleted video posted to YouTube, a person believed to be Westman filmed their collection of weapons and ammunition, some with such phrases as “kill Donald Trump” and “Where is your God?” written on them. A second video shows the alleged shooter pointing to two...