Columbine shooting survivors reflect 20 years later  CBS Evening NewsEx-governor, now presidential candidate, marks anniversary with Columbine survivors  ABC News20 years after Columbine, Dems bullish on gun reform | TheHill  The HillColumbine shooting anniversary: 20 years later, survivor Josh Lapp has a message of hope  CBS NewsColumbine victim’s dad says US gun control laws ‘have regressed’ since horror shooting after spending last 20  The SunView full coverage on Google News