填空题 .The White House, growing concerned that the Congressional timetable for passing a health care overhaul could slip into next year, is stepping up pressure on the Senate for quick act,ion, with President Obama appearing on Sunday in the Rose Garden to call on senators to "take up the baton and bring this effort to the finish line."
   

填空题 1.  What is the bigger barrier for the health care overhaul to be passed? ______

填空题 2.  What does "this" in the sentence "For years we' ve been told that this couldn't be done," refer to? (Paragraph 5) ______

填空题 3.  What is the time of the president's goal of signing the health bill into law? ______

填空题 4.  Why does Mr. Obama want to finish work on health care? ______

填空题 5.  What is the mentioned government-backed insurance plan that is to compete with the private sector? ______