paul steinhauser has details on that. paul? >> hey, ana. on the eve of the first anniversary of the sandy hook tragedy, another school shooting, this time in colorado. >> we cleared the school and secured all of the students very quickly. in the year since 20 young children were killed in newtown, connecticut, a push for new gun control laws never made it to the republican controlled house. the bill went down to defeat in a democratic run senate. hours before the new school shooting in colorado, the top senate democrat expressed his frustration. >> shameful that the united states senate can't pass gun safety legislation that would protect the most vulnerable citizens, our kids, our children, our babies. >> one thing that changed in the past year, support for gun control, which went up after the newtown, connecticut massacre, appears to have faded. back in january, people we questioned in a cnn, orc poll, supported stricter gun control laws by 55-44% margin. in the most recent poll, support had waned and the public was divided. two other nat