FIRST LOOK: Beware of falling birds in Arkansas

The Lookout

Welcome to First Look, our daily roundup of early-bird news:

• Thousands of dead birds are falling from the sky in Arkansas, stumping wildlife officials. (Reuters)

• A new investment values Facebook at $50 billion. (NYT)

• President Obama is expected to name a new top economic adviser this week. (Washington Post)

• The Navy is investigating a "lewd" video shown on a ship to troops. (AP)

• Five states are starting a coordinated effort to rescind birthright citizenship this week. (NYT)

• An overview of the new laws that take effect this year. (WSJ)

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