>> reporter: on tv allison janney plays a mom with a host of problems, not the least of which she's iny. >> i know being an actor is you basically lie. you do things you haven't done before, but there are certain things i don't feel like i have a right to. >> reporter: with this role, allison janney says she does have a right to, but it comes with pain she may never lose. the story ahead on "sunday morning." >> osgood: bei bei is a different sort of mother's day story from our rita braver. >> >> reporter: okay, moms, if you think you have a lot of family photos, well everything these giant pandas do is recorded. did the zoo have any idea how popular the panda cams would be? >> i don't think anybody could predict the incredible popularity, but what i love is that this is science in real life, in real time. >> reporter: later on "sunday morning," panda >> -monium. >> osgood: mo rocca has the story of a decision to return home. conor knighton is on the trail to petrified forest national park. gary hart signs off on one very tal order and more, but first the headlines this morning, the 8th