Radio Australia News: The US President Barack Obama has arrived in Indonesia on the next leg of his ten day Asia tour. Mr Obama is expected to sign a comprehensive partnership agreement dealing with trade, security, investment and climate change. A Golkar member of Parliament, Adi Tahir, says as food production is vulnerable the US must also commit to action on climate change at the G20 meeting on Thursday. “Now we in Indonesia feel very much climate change,” he said. “So it’s important to get action from…