As a society, our first task must be to care for our children -- to shield them from harm and give them the tools they need not only to pursue their dreams, but to help build this country. That is how we will be judged. And in the wake of the tragedy in Newtown, it's clear we have a long way to go. That's why, last month, I asked Vice President Biden to lead an effort to come up with concrete steps we can take right now to keep our kids safe, help prevent mass shootings, and reduce the broader...