The crowd is thinning at the Democratic National Convention, even as the roll call of the states to nominate Barack Obama goes on. Obama has left, headed back to his hotel. And several spots in the arena are now empty as states cast their votes to nominate the president as their party's presidential nominee. The roll call is expected to go on well beyond midnight.
— Sally Buzbee
EDITOR'S NOTE — Convention Watch shows you the 2012 political conventions through the eyes of Associated Press journalists. Follow them on Twitter where available with the handles listed after each item.