Following is a summary of current entertainment news briefs. K-pop band BTS to take extended break ahead of March concert South Korean superstar pop band BTS will take an “extended period of rest” following U.S. appearances this month before returning to the stage in Seoul in March, the group’s management company said. Bighit Music, the group’s management company, said in a statement on Sunday that the musicians would take a break over the holidays and prepare for a concert and new album that will start a “new chapter.” Spielberg brings life-long fandom to reimagined ‘West Side Story’ Steven Spielberg has been remaking classic musical “West…