related to covid. it s unclear the leader of the world s nearly 1.4 billion roman catholics will be able to lead the celebration of this weekend s palm sunday mass. and holy week ceremonies at the vatican leading up to easter on april 9th. the news continues. cnn s primetime with katelyn polantz starts now. tonight morning in nashville, a grieving city honors the victims of monday s tragedy just two days ago was our city s worst day. details emerge about the shooter s background. the suspect was under doctor s care . anything explained this senseless act plus taking a break. the manhattan grand jury investigating former president trump set to pause for almost a month. this is a very unusual development in washington to federal probe steamroll ahead. the former vice president is ordered to testify in the january 6th investigation. obviously have nothing to hide, so will he comply and urgent warning. the biggest names in tech called for an immediate halt in artificial intellige
tech called for an immediate halt in artificial intelligence development. i think artificial intelligence is something we need to be quite concerned about technology moving too fast. cnn prime time. starts now. good evening. i m caitlin collins alongside my all star team of fellow cnn anchors here tonight. sara seidner, michael smerconish and laura coates. we re going to be breaking down all of the day s biggest stories together tonight, but we start in nashville and an emotional vigil tonight for the six victims of monday s covenant school massacre, a city morning the three children and three adults who were lost on monday. together first lady joe biden was at the vigil laid flowers out of memorial earlier, cheryl crow and other musicians performing before a crowd united in their grief. no, you re