WGBH's Emily Rooney(@EmilyRooneyWGBH), and WGBH's Phillip Martin (@phillipWGBH), discuss the Tsarnaev sentencing. 

Former U.S. Attorney for Massachusetts, Donald Stern, and forensic psychologist Robert Mendoza, discuss Tsarnaev's apology. 

Smith College Professor Andrew Zimbalistdiscusses Boston 2024 and the U.S. Olympic Committee's new public opinion poll.