FROM CNN's Jack Cafferty: President Obama is taking aim at the angry, anti-government rhetoric. [cnn-photo-caption image=http://i2.cdn.turner.com/cnn/2010/images/05/03/art.protests.jpg caption="(GETTY IMAGES)"] In a commencement speech, the president suggested this heated language is out-of-line and could be dangerous: "At its worst, it can send signals to the most extreme elements of our society that perhaps violence is a justifiable … Continue reading Rising level of public anger against federal govt.