 Biden's campaign manager calls his totals a testament to the committed and growing base of supporters standing firmly behind the president. Ed Donahue, Washington. It's 835 and D.C. is getting ready for the huge crowds expected the day after tomorrow along the National Mall for the 4th of July. District leaders say they've spent months planning the big festivities, including getting ready for all types of weather and any safety issues that might pop up. More preparations now from WTOP's Scott Gellman.