. >> larry: plus, actress jessica biel and judd hirsch. conquering the snow and air on "larry king live." good evening. you just heard some of what makes former congressman eric massa so controversial, and we welcome him to "larry king live." he's in new york, we're in los angeles. congressman, you've given three different reasons for your resignations. here's what white house press secretary robert gibbs had to say about that today. watch. >> on wednesday, he announced he would not seek reelection because of a health problem that he said was a recurrence of cancer. on thursday he said he wasn't running because -- not because of cancer but because of his use of salty language. on friday he seemed to take some responsibility for his actions at a different event, and we learned that the ethics committee was looking into his actions relating to sexual harassment. >> larry: congressman, thanks for being with us. let's set the record straight. why did you resign? health, ethics, democratic leadership, what? >> all the above, larry. it would be

jessica biel and emile hissch are here to tell us. they climbed mt. kilimanjaro. is part of an upcoming documentary, "summit on the summit" airing sunday, march 14. they're here with musician kenna who put the whole expedition together. jessica, why did you do this? >> i wanted to understand more about this water crisis. how serious is it, what are the facts, what's the problems, what areas is it really affecting? and kenna invited me to be a part of this along with emile and a bunch of other incredible people, and it was one of the most incredible experiences of my life physically, mentally. i'm just so pleased i was a part of it. >> larry: kenna, what got you involved in this water problem, and what's the problem? >> well, actually, my dad came to me about three years ago and explained to me that he had saved about $10,000 to dig a well in ethiopia where i'm from. it kind of impacted me because i asked him why he did that, and he said as a child he had had water-borne illnesses and that he lost his brother, and i felt like a bad son because i didn't know that ha