Hurricane Isaac is bearing down on the U.S. Gulf Coast.  Watch CNN.com Live for continuing coverage of the storm's impact on the region.

Today's programming highlights...

Ongoing coverage - Hurricane Isaac tracker and briefings

8:30 am ET - GOP women's breakfast - Ann Romney and Janna Ryan will participate in a "Women for Mitt Romney" breakfast in Tampa.  Ann Romney will then attend a Latina coalition luncheon at 12:15 pm ET.

12:45 pm ET - Live from the #CNNgrill - CNN's Peter Hamby returns with his political panel as they discuss the headlines of the day at the Republican National Convention.

3:00 pm ET - Romney at American Legion - GOP presidential candidate Mitt Romney is spending his day in Indianapolis, where he'll speak to an American Legion convention.  He'll later address RNC delegates from Indianapolis at 8:00 pm ET.

3:30 pm ET - Obama in Virginia - President Obama will spend his afternoon campaigning in the college town of Charlottesville, Virginia.  The town is home to the main campus of the University of Virginia.

7:00 pm ET - Republican National Convention - The second full day of activities at the RNC gets under way in Tampa, Florida.  Check out a list of key speakers at CNN.com Live

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