- Parents nationwide must decide whether to talk to children about mass tragedies
- Reassurance is one of the most important things a parent can provide, experts say
- Parents of middle and high schoolers should ask children what they've heard
Kelly Wallace is CNN's digital correspondent and editor-at-large covering family, career and life. Read her other columns and follow her reports at CNN Parents and on Twitter.
This is an update to a story originally published in 2013.