Videos have emerged showing NRA spokeswoman Dana Loesch calmly leaving stage at this week’s CNN town hall on gun violence in schools, where some attendees had exited, and those who remained did not rush the stage, mulled around, and chanted “Shame On You.” [One of those videos can be seen, below] Loesch had told NRA super-fans at CPAC, she feared for her life at the CNN town hall on gun violence attended by grieving students and parents from Parkland, Florida, where 17…