Original sentence: " Sanders also dismissed the idea that gun safety measures could have prevented the massacre of 20 children and 6 adults at Sandy Hook Elementary School, saying “if you passed the strongest gun control legislation tomorrow, I don’t think it will have a profound effect on the tragedies we have seen.He also supported allowing firearms in checked bags on Amtrak trains, and opposed foreign aid to organizations that would track Americans' guns.Sanders opposed the Brady Act, which introduced federal background checks