the first lady brought a message of physical fitness on saturday and participated in thea arthu arthuarthur asheay. the. >>> and the national zoo adds a new member to the panda family giving birth to a tiny cub no bigger than a stick of butter. the gender has yet to be determined. >> good morning. i'm morgan radford. here is a look at your top stories. doctors without borders says its medics have treated thousands of patients for neurotoxic symptoms. >>> and mubarak and muslim brotherhood leaders make their first court appearances today, facing charges over the deaths of protestor. >>> north and south korea agreed to resume reunions for fapilies separated since the korean war, six decades ago. they can meet for a week at a mountain resort in the north. the revival of family rey unions after a three year hiatus showsa a you thaw between the chilly countries. >>> let's move. michelle obama was at the 18th annual arthur ashe day and stressed getting involved in activity cans lead to success in the future. >> tennis is a sport that you can play for your entire life. of it's a good game to get your h