 CBS meteorologist David Parkinson. By the time we get to the afternoon in Houston, things are clearing out, actually. This is a fairly quick timeline for a storm. The storm's moving at about 12 miles an hour, so it's not crawling, but it's also not racing away. Major concern for now, storm surge and flash flooding. Lawmakers return to Washington today. Many Democrats with one thing on their minds, President Biden, and whether he should step aside as the party's nominee. Correspondent Nancy Cordes.