Oil pipeline: The legal challenges and protests

A federal judge has heard testimony in the Standing Rock Sioux Tribe's request to temporarily block the construction of a four-state oil pipeline near their reservation, which straddles the North Dakota-South Dakota border.

Pushing for an EpiPen access program

Dr. James Baker, Food Allergy Research and Education CEO, discusses the controversy surrounding Mylan's EpiPen price surge and what the organization is doing to advocate for its members who need the life-saving drug.

Pfizer on buying spree with AstraZeneca antibiotics deal

Drugmaker Pfizer Inc. is continuing its shopping spree with its fourth acquisition since the April collapse of its planned $160 billion megadeal to buy rival Allergan PLC and move its headquarters, on paper, to Allergan's base in lower-tax Ireland.