Donald Trump’s running mate, Sen. J.D. Vance, once again found himself under fire on social media, this time over his comments that school shootings are a “fact of life.” “If these psychos are going to go after our kids we’ve got to be prepared for it,” Vance told rally-goers Thursday in Phoenix, according to The Associated Press. “We don’t have to like the reality that we live in, but it is the reality we live in. We’ve got to deal with it.” When he was asked by a journalist what could prevent school shootings, the Republican vice presidential nominee said stricter gun laws won’t help, but pr…