Agence France-Presse: US House of Representatives Speaker Nancy Pelosi, a longtime critic of Beijing’s rule over Tibet and its rights record, arrived in China on Sunday for a trip focused on energy and climate change. US embassy spokeswoman Susan Stevenson confirmed Pelosi had arrived in Shanghai but could not say who the top US official was going to meet in the country’s financial hub. Pelosi is scheduled to attend a clean energy forum in Beijing on Tuesday along with Senator John Kerry, the …