Answer:
1. Columbus is worthy of celebration by all Americans because he represents our ancestry.
2. Celebrating Columbus Day is a continuous way of saying "We're proud to be Americans, and equally proud of our Italian heritage and ancestry."
3. 57 percent of Americans believe that it's a good idea to have a holiday named for him.
4. Columbus was a man whose approach to the native people he met during his first voyage was exemplary, taking delight in their friendliness and happy demeanor.
5. He practically defines our understanding of the spirit of discovery is himself worth rediscovering, and worth teaching, with both truth and objectivity.