By Jacob Leeks The Grand National Festival is underway for another year, with the first seven races coming on Thursday. The action began with the Manifesto Novies’ Chase, with five horses vying for the win. They were all clean over the first of the 17 fences that make up the course at Aintree, with Ginny’s Destiny leading early on. Mistakes from Colonel Henry and Blow Your Wad on the 12th fence allowed the leaders to pull away, with the duo dropping back. Favourite Grey Dawning also fell back, with the highly-fancied Il Etait Temps was able to overhaul Ginny’s Destiny late on to take the first…