Weekly Digest: The USA is crumbling at the bottom and more

This is our weekly compilation of science news.
00:00 - New Nuclear Fusion Record at NIF! Can laser fusion break even?
5:28 - The USA is crumbling at the bottom and sinking
10:05 - Gravity might be a force after all
15:11 - Black Holes might turn into White Holes, and make up dark matter, physicists say