PUTTING ON THE BRAKES: Democrats on the House Armed Services Subcommittee on Strategic Forces released their proposals for next year’s defense policy bill yesterday and immediately set the stage for a partisan debate over the potentially destabilizing effects of new weapons — in particular a submarine-launched, low-yield nuclear warhead, and a new generation of hypersonic weapons.

The subcommittee, led by Rep. Jim Cooper, D-Tenn., released its ideas for the FY 2020 National Defense Authorization Act, known as the “Chairman’s Mark, ahead of this afternoon’s markup session. (2118 Rayburn, 3:30 pm).