museum. it will pay tribute to the art, life and klture of african- americans. culture of african- americans. first lady laura bush helped with the groundbreaking. tara mergener has more. reporter: celebrities and dignitaries including president obama gathered inside a tent on the national mall to mark the start of construction on the smith sonnian s newest edition, the national museum of african- american history and culture. this is a milestone moment not only for the smithsonian, but for the united states. reporter: lonnie bunch is the museum s director. it really has been an opportunity to make sure that my ancestors and all our ancestors are remembered. reporter: the new museum is slated to open on the national mall in 2015, but it already has a staff raising money and collecting artifacts. smithsonian officials say they already have more than 15,000 items on hand that will be part of the african-american museum s collection. they re working to find more material o
he is fighting hard to win a state where he was born, but polls show rick santorum is in the lead. that is putting romney on the offensive. i don t think rick santorum s track record is that of a fiscal conservative. and so i think that will ultimately be interesting in this process and lead to my getting support. arizona also holds a primary next tuesday and santorum made a campaign stop there, highlighting his conservative record and taking on president obama. president obama says i m going to give you the right to healthcare. give me your money, give me your freedom and we will provide for you. when the government gives you rights, they can take those rights away. the candidates are using a new and powerful weapon in the race for the white house. super packs are raising millions and millions of dollars for their campaign ad. last month alone, super political action committee supporting romney raised a combined $17 million and spent $24 million. there is no limi