Read the excerpt from Martin Luther King Jr.’s "I Have a Dream” speech.And so let freedom ring from the prodigious hilltops of New Hampshire.Let freedom ring from the mighty mountains of New York.Let freedom ring from the heightening Alleghenies of Pennsylvania.Let freedom ring from the snow-capped Rockies of Colorado.Let freedom ring from the curvaceous slopes of California.But not only that: Let freedom ring from Stone Mountain of Georgia.Let freedom ring from Lookout Mountain of Tennessee.Let