By Alex Lang New York (Knewz) — Nearly seven in 10 Republicans in a recent survey backed ideas found in the “great replacement” theory, which has been blamed for the shooting in Buffalo, New York, the Southern Poverty Law Center reported. The agency recently conducted a poll to look at extremist beliefs and the idea of the “great replacement.” The theory suggests that there is an effort to replace white populations in current white-majority countries, according to the SPLC. The idea has been cited as a motive about why a teen drove to a Buffalo grocery story in a predominately Black neighborho…