i call myself a mama bear. this is huge. it makes me excited that if somebody acts a certain way guess what? there are going to be repercussions. >> it's unclear if montana's blueprint will change, but she hopes that others will be put on notice. sarah hoye, missoula, montana. >> that's "america tonight". tell us what you think on aljazeera.com/americatonight. or on facebook or twitter. tomorrow we'll have more of "america tonight". rica tonight". doing it in an unique way. this is a show about science by scientists. tonight "tech know" journeys into the jungle, this is one of the iconic animals of costa-rica with post cards of this thing. a beautiful and fragile place on the plan

i call myself a mama bear. this is huge. it makes me excited that if somebody acts a certain way guess what? there are going to be repercussions. >> it's unclear if montana's blueprint will change, but she hopes that others will be put on notice. sarah hoye missoula, montana. >> that's "america tonight". tell us what you think on aljazeera.com/americatonight. or on facebook or twitter. tomorrow we'll have more of "america tonight".

attack me, no big deal, go after my children, mama bear comes out.oved to new york, we became a single family with three kids. we live inside harlem in the '70s, it was tough. i will tell you one quick story, we got beat up a lot because we spoke proper english and wore the wrong clothes. one day i fought the ringleader. if it was a disney movie, it would have been over. they circled me later on that night, about 12, 13 of 'em. one guy was choking the hell out of me, and as i was blacking out, who do i see running out the building in her nightgown and a knife in her hand? >> a knife? mama meant business. charles: it wasn't like a movie beat-up, i was being stomped, jamie. but these single mothers in these commitments, i mean, people -- these communities, i mean, people don't understand what they do. i tip my hat to them. >> i love this mother even knew where her son was. i mean, at a minimum talk about taking responsibility like we were talking about these people should take personal responsibility. parents have got to take responsibility in this cou

never mess with a mama bear. take your garbage before you go to bed, put it in the bear chute.idn't know you had so many experience with camping and bears. bill: i read the signs. martha: i saw a big truck that said bear trap on it. there was little holes on the side. i was driving along to see if there was a bear in there. probably not a ideal driving down the turnpike. i doesn't see anything in there. >>> a aircraft carrier that spent last 64 years down at the government of the ocean has been discovered and amazing intact. that is the sonar image of the uss independence, which operated in the 1940s, before being used for atomic bomb testing after the war. chief correspondent jonathan hunt live in marina del rey. jonathan, this is really a fascinating find. >> reporter: yeah very exciting one for everybody involved in this mission. obviously officials have known somewhere out there in the pacific, 2600 feet down the independence has been sitting since it was scuttled in 1951 but there was some confusion over the coordinates. now they found it. they sent down these boeing machi

. >> mama bear faris coming out.ines almost 20 years ago when she had an affair with a then-13-year-old student, vili fualaau, serving 7 1/2 years in prison for child rape. she's now 53. he's 31, and on the eve of their tenth wedding anniversary, barbara walters sat down with them. i spoke with barbara about her exclusive interview airing top tonight on "20/20." >> barbara, this story continues to fascinate. >> well, when i mentioned to people that i was doing it, everybody seems to remember, oh, this is the schoolteacher who served 7 1/2 years because of her relationship with him and now they've got this big tenth wedding anniversary from the story that still shocks people. how could she do it? >> right, and they're still together. >> yeah. they're still together and have two teenage daughters. born when she was in prison serving prison for the child rape. >> and you reminded me of something that she went to prison not once but twice because they said, look, go to prison for a year but stay away from him. >> and she