Review navan 15th Jan So Young ticked off his third victory of the season with a commanding success in the Follow Navan On Facebook Hurdle at Navan.Willie Mullins' six-year-old was sent off the 1-3 favourite and made all in the hands of Ruby Walsh, who knew he had a fight on his hands when Trifolium ranged up going well on the approach to the second-last.Running over a two-mile trip that is expected to prove short of his best, So Young quickly assserted when asked for an effort, and he was well in charge by the final flight before stretching seven and a half lengths clear.Triple French bumper winner Terminal gave favourite backers a scare on his first start for Mullins before winning the 2012 Navan Membership Maiden Hurdle with some authority.The 4-7 shot looked a sitting duck as the challengers stacked up behind him in the straight, but he responded to a couple of cracks from Walsh after the last by surging clear to score by two and three-quarter lengths.Are Ya Right Chief was favourite to give Mullins and Walsh a treble in the Navan Golf Course Maiden Hurdle, but Noel Meade-trained market rival Knockgraffon King (5-4) led all the way under Paul Carberry and forged clear to win by three lengths.Andrew Lynch gave Peter Casey's veteran Jack The Bus (7-2) a patient ride in the Foxrock Handicap Chase and the top-weight travelled sweetly into the race coming down the straight.He led two out but made a bad error before getting back on an even keel to win by three lengths and book his ticket for the Thyestes Chase.There was a dramatic finish to the Irish Stallion Farms EBF Beginners Chase, in which the Tony Martin-trained veteran Oscar Dan Dan (9-1) jumped the last in fifth but stayed on to such effect that he won by three and a quarter lengths under Niall Madden.