Sean Grande is the play-by-play voice for the Boston Celtics Radio Network and 98.5 The Sports Hub. Twitter: @SeanGrandePBP   7:30 Marcus Smart is not going to fix everything   17:33 Kyrie leading the Celtics his own way   22:33 How are Isaiah and Kyrie different?   31:57 It’s unfair to ask Hayward to come back    40:00 Let’s answer some tweets   Available for download on iTunes and Stitcher Friday, February 23. Celtics Beat is powered by eHarmony.