Boston Bomber's Lawyers Argue For A New Trial Despite Longs Odds In Appeals Court

Almost seven months after Boston Marathon bomber Dzhokhar Tsarnaev was convicted and sentenced six times to death, his attorneys are arguing for a new trial.

A hearing in Boston Tuesday on this motion and two others was as contentious as it was technical.

WBUR's senior reporter David Boeri joined Morning Edition with an explanation of what happened in court on Tuesday.