Two weeks ago, Ampang MP Zuraida Kamaruddin announced that she was leaving Parti Pribumi Bersatu Malaysia for Parti Bangsa Malaysia. This puts not only her position as Plantation Industries & Commodities Minister into question, but also puts into sharp focus the relationship between UMNO and Bersatu. Today we look at the trajectory of Bersatu as it tries to chart a future in Malaysian politics. Melisa Idris and Sharaad Kuttan speak to Dr Bridget Welsh, Asia Research Institute, University of Nottingham Malaysia.