It's not unchecked. The Republican congress has had plenty of opportunities to stop it and has declined. The National Defense Authorization Act is passed every

It's not unchecked. The Republican congress has had plenty of opportunities to stop it and has declined. The National Defense Authorization Act is passed every year. The 2001 AUMF that authorized the "war on terror" was passed bypartisanly without any sunset provision, nobody of either party has proposed repealing it.