The State of the Union address may be just a lot of talk. But considering that each word in these national speeches is painstakingly choreographed, a small phrase for a president can be a giant step for mankind. That's why, when Bush uttered the words "global climate change" before a TV audience of 45.5 million, I nearly jumped out of my seat. He said it! He said it for the first time in any of his seven State of the Union addresses. This is huge. Especially in light of the results from a Pew Research Center poll on global warming …