EPA Administrator Scott Pruitt's 24-hour security in Washington extends to at least some of his personal trips, according to a letter Democratic Sen. Sheldon Whitehouse sent to the department's inspector general and shared with CNN.

EPA Administrator Scott Pruitt's 24-hour security in Washington extends to at least some of his personal trips, according to a letter Democratic Sen. Sheldon Whitehouse sent to the department's inspector general and shared with CNN.

Stories this photo appears in:

Tease photo

Dow tumbles 430 points on Italy fears and US-China trade tensions

Volatility gripped Wall Street on Tuesday. The Dow fell as much as 430 points -- 1.6% -- on fears about a political crisis in Italy and renewed trade tensions between the United States and China. The index turned negative for the year.