PARIS — Twenty men were convicted on Wednesday for their roles in the worst Islamist terrorist attack in French history, a coordinated spree of shootings and bombings in November 2015 that killed 130 people in and near Paris and injured more than 500, leaving lasting scars on the nation’s psyche.
Capping a record 10-month trial, Salah Abdeslam, the only surviving member of the team of Islamic State extremists who carried out the attacks, was found guilty by a panel of judges of all the…