what were the different airing dates for oprah's big give?
march 2, 2008, march 9, 2008, march 16, 2008, march 23, 2008, march 30, 2008, april 6, 2008, april 13, 2008, april 20, 2008
what was the rating/share ratio for the march 16, 2008 air date?
3.6/9