メリッサ・ジョーン・ハートさんのインスタグラム写真 - (メリッサ・ジョーン・ハートInstagram)「24 years and tragedies like the shooting at #Columbine are becoming a more regular event. My son is doing a lockdown drill as we speak! Why can't we as a country protect our most vulnerable citizens? #saveourkids Leave me a comment with ONE practical prevention solution we could take RIGHT NOW to move toward solving this American problem please. And be kind.」4月21日 1時48分