An Associated Press-GfK poll says that public disapproval of President Barack Obama's handling of health care has jumped to 52 percent. The same survey shows that 49 percent now disapprove of his overall performance as president. In July, just 42 percent disapproved of how he was handling his job. The grade people give Obama on health care has also worsened since July, when just 43 percent disapproved of his work on the issue. The poll was released hours before a nationally televised speech before Congress in which the president plans to make a renewed case for overhauling the nation's health...