Chat with us in Facebook Messenger. Find out what's happening in the world as it unfolds.

    JUST WATCHED

    'Inversion' deal would slash Pfizer's U.S. tax bill

MUST WATCH

'Inversion' deal would slash Pfizer's U.S. tax bill

CNN's Christine Romans explains how the merger between Pfizer and Allergan would create the world's largest drug maker.

'Inversion' deal would slash Pfizer's U.S. tax bill

CNN's Christine Romans explains how the merger between Pfizer and Allergan would create the world's largest drug maker.