NEW DELHI : US President Barack Obama is likely to address a joint session of parliament when he comes on his maiden history-making visit to India in November, sources said.   While the dates for the president's visit are yet to be firmed up, Prime Minister Manmohan Singh, who has praised Obama as a role model for "millions and millions of people all over the world", is keen that Obama addresses a joint session of the Indian parliament.   The arrangement will be finalized only after the dates are firmed up, well-placed sources said, adding that the presiden...