"This nation has many problems, and electing Sen. [Barack] Obama as the president is not going to solve them all, but I think it is an important renewal," said Cornell history professor Margaret Washington. The speech Obama gave on race relations in America on March 18, she said, "represents principle, integrity, honesty, boldness, and it represents taking a chance. At this point of time, he is our best hope."She was speaking on a panel of five Cornell professors and administrators on "American's Original Sin: Obama, Race, Religion and Politics" before several hundred people in Sage Chapel, March 27.