By merely freezing discretionary spending--that means everything but entitlements--for a single year, $47.9 billion would be saved. Limiting the freeze to non-defense, non-homeland security spending would still save $36.2 billion, according to Senator John Sununu of New Hampshire. "If Congress simply put in place mechanisms to control the growth of discretionary spending at or near inflation, the two-year cost savings is well in excess of $20 billion," Sununu says.
"Pence on Fire: The revolt of the small government Republicans" in The Weekly Standard