Sen. J.D. Vance (R-OH) faced severe criticism Friday for spreading anti-immigrant rhetoric on social media minutes before flocks of children in his state were rushed out of their classrooms over an undisclosed threat. Vance, running mate to former President Donald Trump, doubled down on his attack on Haitian immigrants in Springfield, Ohio in an X post published about 9:25 a.m. — about 10 minutes before a local Catholic school announced safety threats had forced them to dismiss their students. “In Springfield, Ohio, there has been a massive rise in communicable diseases, rent prices, car insur…