Barry Lockwood is happy trainer Kristen Buchanan is proving a good judge about the improving Invincible Gangsta. Lockwood is aiming at back-to-back wins with Invincible Gangsta in Saturday's BRC Membership Open Handicap (1000m) at Eagle Farm. Invincible Gangsta was a handy performer for Buchanan who is based at Wyong in NSW. She decided Invincible Gangsta[...]