This work would have not been possible without the great support of my wife and son. I would also like to thank CaryLory, Denise Gardner, Fiona Whiting, Frank Paine, Jim Smith, Joe Coffman, Kenneth Teicher, Kristen Lewendon, Larry Gates, Linda Cunningham, Linda Frank, Mary Cohen, Nicole Lapierre, and Sanjoy Choudhuri for their helpful suggestions.