Elon Musk says he'll pour less money into elections. That's bad news for the GOP

"This proves that that an anti-billionaire, pro-worker strategy works," one House Democrat told BI. AP Photo/Evan Vucci Elon Musk says he's pulling back from political spending. That's a big reversal from what he said he'd do months ago. Now, the GOP is going to have to make up the gap…