This post first appeared on the Bloodhorse. Read the original post on BloodHorse.com: http://www.bloodhorse.com/horse-racing/articles/76093/revolutionary-win-for-the-blushing-groom-line#ixzz2NRWCU7mz Those who have been around the Thoroughbred breeding industry for some time know that the rapidity with which sire lines rise and fall is an ever present cause for reflection. Not long ago Blushing Groom, for example, was