Malaysian politics runs on grudges and few illustrate that better than the one nursed by Rafizi Ramli. A year after losing the deputy presidency of Prime Minister Anwar Ibrahim’s People’s Justice Party (PKR), he has built a vehicle for the disaffected, aimed squarely at the coalition of which he was once part. Parti Bersama Malaysia – or Bersama, meaning “together” – is barely three months old under its new leadership, yet it has already rattled Malaysia’s governing alliance. Taken over in May...