by Mike Krumboltz On Tuesday morning, a beaming President Obama signed the health care bill into law. "It is the law of the land," he declared. But the president's political rivals aren't giving up . Republican senators, led by Tom Coburn of Oklahoma, are putting forward several " headline grabbing " amendments in an effort to slow or even stop the law from taking effect. The New York Times explains that "senators are permitted to offer an unlimited number of amendments.