Obama Second Term: Immigration, Economic Revival Top President's Checklist

* Immigration reform, economic growth top Obama to-do list * Energy, gun control round out second term priorities * Obama wants immigration, gun measures in first year By Mark Felsenthal WASHINGTON, Dec 30 (Reuters) - President Barack Obama is pledging to focus in his second term on immigration reform, boosting economic growth through infrastructure repair and energy policies that nod to environmental protection. The president is mired in a difficult fight with congressional Republicans to avoid...