Our national debt is the most serious threat currently facing our country. Unfortunately, instead of offering serious solutions to our fiscal challenges, the president's policies have made an already bad situation much worse. Because Senate Republicans know that our nation cannot continue spending far more money than it takes in, all 47 Republican senators have united behind a balanced budget amendment. Democrats and the president should reject burdensome tax hikes, work with Republicans to balance our budget, and get the federal government's spending problem under control.