laurene powell jobs, wife of the late steve jobs is an intensely private person. but with the film maker, davis guggenheim, she went to washington this week to push for immigration reform, especially on behalf of young undocumented immigrants. guggenheim is the man behind oscar winning film "an inconvenient truth" and "waiting for superman." he and powell jobs screened the film for congress. it is called "the dream is now." >> i'm undocumented. >> i'm undocumented. >> i'm undocumented, unafraid and unashamed. >> there is movement on both sides. there is enough acknowledgment that this is a time when we can get serious legislation passed. so that's why we are willing to raise our voices to pledge so much time and passion and energy towards helping in any way we can to get this done. >> do you care how they come to it? do you care how they get there? do you care if rand paul chooses to say these are potential taxpayers? do you care if some people say, look, if it keeps my kid out of the marine corps, that's fine? do you care how they come to it as long as the vote g

laurene powell jobs, wife och tof the late steve johns is intensely private. david gooun guggenheim, she went to washington to push for immigration reform. guggenheim is the man behind the oscar winning film "an inconvenient truth" and "waiting for superman." they screened this new film for congress, "the dream is now." >> i am undocumented. >> i'm undo. >> her passion is the dream act. it addresses those brought to this nation as children opening residency if they serve in the military or seek higher education. we sat down with the two of them the night before their trip to washington, the award-winning documentary filmmaker and laurene powell jobs. she and her husband were married over 20 years and raised three children. she said she will not discuss her husband's death and will never discuss her husband's death because it is a private family matter. she would talk about all that he left us with. >> for reasons that are your own and you are entitled to for the rest of your life, there are subjects you don't want to discuss and i'm not going to ask. i'm going

. >> laurene powell jobs speaks exclusively tonight. she is offering support to the dream act. she has produced a documentary film which screams to lawmakers at the capitol this week. >>> twitter is expanding its reach into music. it tells us the new app will be able to read tweets from your timeline, see who you follow and follow new people and will be able to post tweets for you. music is currently live and right now is invite only. >>> the newest attraction at the san francisco zoo. take a look. a crowd pleaser to say the least. this is a 20-month-old tiger cub who spent her first day in front of the public. the female cub got a lift around the chibt from her mom. this week she wasted no time exploring her new digs and learning to climb. >> her environment. mom has been very attentive and she has been great at showing the cub around the exhibit. she is picking her up and carrying her around. it has been a really wonderful experience. >> there is our favorite shot climbing that staircase. there are fewer than 500 tigers in the world. she is the first tiger born at the san fra

lauren powell jobs gave her first public interview since her husband's death.she would not comment on his death, but did open up about what he left behind with her family. >> we miss him every day. and having the -- kind of the body of work surrounding us is actually a really beautiful reminder. >> powell jobs is now working to establish her own legacy. she is teaming up with a filmmaker on a documentary that focuses on the dream act. if passed, the legislation would give the children of undocumented immigrants brought to the united states a chance to become citizens after earning a high school diploma. >> let's make this a true land of opportunity. we're also a land of rules and laws that should be enforced. let's fix this problem. and then let's let people flourish. >> the film is called "the dream is now" and is directed by the same director who won academy awards for his 2006 documentary with al gore about global warming. see "the dream is now" tomorrow on msnbc. >>> still ahead on "today in the bay," nearly seven decades after jackie robinson paved the way

last night lauren powell jobs spoke to nbc's brian williams in her first interview since her husband'sn 2011. >> what he wanted to do in his life was create tools that allowed people to work at the highest levels. and i think he did that. and so, that legacy is beautiful for me to live with. >> powell-jobs was on the show to promote a documentary called the dream is now, which pushes for immigration reform. >>>a mountain view post office will be renamed in honor of a fallen hometown hero today. army lieutenant ken ballard was killed in iraq in 2004. during his service he received three bronze stars and a purple heart. congresswoman anna eshu authored legislation to name the post office on hope street after him. ballard is the only solder from mountain view to die in combat in iraq. >>>in half moon bay, deputies are investigating a string of burglaries that seem to be connected. deputies say the burglars have entered several homes through unlocked garage doors or side doors. so far police haven't made any arrests. >>> and they can out this surveillance video. stockton police trying to i