text:  The debate begins at nine East Coast time tonight. Weather watch now. In the Midwest, we are seeing more rain over the next couple of days, including in Iowa, where they certainly do not need it. A lot of rivers have crested and are starting to go down, but further downstream now the rivers are rising after the historic flooding. CBS News meteorologist David Parkinson says the heat waves breaking in the northeast, but heat advisories remain in effect for large swaths of Texas. The Supreme Court's in session today with an