MEDAN, Indonesia — A politician arrested on charges of bribery last month in Indonesia’s North Sumatra province was also found to be keeping several rare animals as as illegal pets, including a caged orangutan, making him the latest public official in the heavily forested Southeast Asian country to be caught with protected species in his home. Terbit Rencana Perangin Angin, the elected leader of Langkat district, North Sumatra, was initially charged with taking bribes related to the procurement of goods and services, but when investigators from the nation’s anti-corruption agency raided his ho…