Full school day cell phone bans are more popular than ever

As schools across the country continue to implement cell phone bans, a new Pew Research Center survey shows they continue to gain support. Seventy-seven percent of US adults support banning cell phones in middle and high school classes, and 48 percent support banning them for the entire school day. That's the first time more Americans have supported, rather than opposed, so-called bell-to-bell bans. Two years ago, just 36 percent of American adults supported an all day ban. Across all age…