Thirty years of space shuttle launches will come to a conclusion today, weather permitting, when Atlantis lifts off for the last time. Watch CNN.com Live for continuing coverage of the final launch of the shuttle program.
Today's programming highlights...
9:00 am ET - Future of Social Security hearing - Social Security has been a hot topic of debate when it comes to dealing with the deficit. The House Ways and Means Committee discusses possible changes to the program.
11:00 am ET - White House briefing - The debt ceiling debate will likely dominate Jay Carney's daily briefing with the White House press corps.
11:26 am ET - Final shuttle launch - Space shuttle Atlantis is expected to launch one last time from the Kennedy Space Center in Florida.
6:40 pm ET - Royal couple arrives in U.S. - Britain's Duke and Duchess of Cambridge touch down in Los Angeles for a three-day visit.
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