Only two races were profiled this week and they featured opposite ends of the spectrum: a returning Grade I winner and a colt just kicking off his career. One is slated to face a champion next while the other will meet winners for the first time. However, they have a common thread as both are by Hill 'n' Dale's leading sire Curlin. Wednesday's Insights: GISW Clairiere Returns at Fair Grounds 7th-Fair Grounds, $56,000, Alw (NW3$X)/Opt. Clm ($80,000), 3-16, 4yo/up, f/m, 1 1/16m, 1:43.21, ft, 6 1/2 lengths. After closing out...