LONDON (Reuters) – British Prime Minister Rishi Sunak overcame a rebellion by his Conservative lawmakers on Wednesday to win a vote on his proposed law to send some asylum seekers to Rwanda, but he still faces many stumbling blocks for his flagship scheme. Here are some of the problems Sunak will have to overcome before his promise to send those who arrive in Britain without permission to the East African nation becomes a reality. PARLIAMENT After hours of debate, lawmakers in parliament’s lower House of Commons passed the government’s ‘Safety of Rwanda Bill’ by 320 votes to 276, with 11 right…