1. Pounding rains and rapidly rising floodwaters from the most powerful storm to hit the U.S. in a decade have brought Houston, the country’s fourth largest city, to its knees.

The region looks like an inland sea after Hurricane Harvey, and officials fear the worst is yet to come. Nearly two feet of rain is still expected. An enormous and frantic rescue operation is underway. The toll — at least 10 dead — is almost certain to rise. President Trump plans to visit Texas on Tuesday.