welcome back to cnn s continueing coverage of what happened in paris chriscomo, hall chris cuomo, hala gorani. we re talking about the attack on the soccer stadium, that man who blew himself outside the stadium came to europe in a highly organized group carrying a syrian passport and landed on the group island of lairros about a month ago. it raises many questions about this influx of refugees fleeing violence and war in their home lands and coming to europe to find safe haven. what kind of reaction will