Congress faces long list of unfinished tasks (Reuters)

WASHINGTON (Reuters) - U.S. lawmakers returning from a weeklong break on Monday will take up a long list of unfinished -- and possibly insurmountable -- tasks that could help decide whether voters will re-elect them in November. Action or inaction on a series of contentious issues including immigration, pensions, energy and federal spending will determine whether this Congress sheds the impression that it has made few legislative achievements. "I'm not sure what this Congress has accomplished, ...