With just two days until the nationwide theatrical release of Carrie, Screen Gems has debuted another clip featuring Julianne Moore as Carrie's religious mother Margaret White. For some reason, Margaret just can't seem to stop banging her head against the wall, despite the teenager pleading for her to stop. Has this mom reached a breaking point with her troubled daughter? Find out when director Kimberly Peirce's horror remake hits theaters on October 18.