COLOMBO — Former President Ranil Wickremesinghe warned on Tuesday that Sri Lanka faces a second bankruptcy when heavy debt repayments resume after 2028, and said the government was spending its remaining preparation time on the Constitution and the judiciary instead of on rebuilding foreign-exchange reserves. He spoke at the Bandaranaike Memorial International Conference Hall at the launch of Yuddha Dekakata Ura Dee, or Shouldering Two Wars, by Ranjith Siyambalapitiya, whom Mr. Wickremesinghe a