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Water laws in the West often give priority to whose who used a water source first, often farmers. Farmers in New Mexico are fighting to regain their place at the head of the line. - 

The drought has dried up water supplies in some parts of the country -- and water wars are heating up, between farmers and cities. In New Mexico, farmers have kicked off what could be a long-running fight by making a “priority call” on water resources.

Biogen Idec, a Massachusetts-based biotech company, is hoping its new multiple sclerosis drug Tecfidera will eventually bring in the hundreds of millions of dollars it cost to develop -- at least before a generic comes along and copies it. CEO George Scangos joined Marketplace Morning Report host Jeremy Hobson to discuss his company's development process and pricing strategy.

Follow Jeremy Hobson at @jeremyhobson