Why are the Republicans letting him tank the economy?

Stock markets tumble as China-US trade tariffs loom

Are they really that afraid of him? I guess so:

Companies buying back their own shares is the only thing keeping the stock market afloat right now.

Companies set a record for share buybacks in the second quarter, while investors set their own record for selling stock-based funds in June.

On the corporate side, officials are finding that repurchases are the best use for investor cash now, while individual investors are fearful that a trade war could offset strong economic momentum this year.

All in all, the corporate buying has won out, keeping the S&P 500 slightly positive for the year.