By CNN Staff
(CNN) -- President Barack Obama said Tuesday the nation should be ashamed of the inability to get tougher gun restrictions through Congress in the aftermath of mass shootings that he said have become commonplace in America.
He said the United States was the only developed country on Earth where mass shootings occur with regularity, adding that "if public opinion does not change, we're not going to change."
Obama added that politicians from both parties were "terrified" of the National Rifle Association, saying the organization was well-funded and able to influence elections to prevent any significant new gun regulations from becoming law.
He also rejected the contention that mentally ill people were the reason for mass shootings, saying "the United States does not have a monopoly on crazy people ... and yet we kill each other in these mass shootings" at much higher rates than other countries.
His comments came while taking questions online about education, and as the nation reacted to another deadly school shooting -- this one near Portland, Oregon, on Tuesday.
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