SARATOGA SPRINGS, N.Y. -- Jockey Junior Alvarado, the race day partner of Sovereignty (Into Mischief), the leading 3-year-old in the country, knows how everyone feels now. That's because he saw up close just how powerful Sovereignty is. Sovereignty had his final work before next weekend's $1.25 million GI Travers Stakes Saturday morning at the Oklahoma Training Track. As usual, he was being ridden by Neil Poznansky, the assistant to Hall of Fame trainer Bill Mott. Alvarado, helping the barn out, climbed aboard Fort Nelson (Bernardini), who was Sovereignty's workmate for...