Brad Stevens and Kemba Walker open up about the Celtics mindset returning to play

8:00-Brad Stevens sees the bubble being a new start of the season 15:00- Kemba Walker not happy with his play at the end of the season, how motivated is he for the restart? 16:30- How motivated is Kemba to bounce back from tough end to season? 23:30- Brad Stevens agrees with Austin Rivers saying the NBA Champion nezeds a positive asterisk 26:30- Celtics hype train continues between teammates