Which of the following are most likely to happen: (poll 5471976)

Which of the following are most likely to happen:

Walgreens does a strategic deal with a large PBM

CVS Caremark acquires someone in response to the proposed Medco acquisition

CIGNA, Humana, or another captive PBM signs a long-term deal to outsource

SXC and Catalyst combine

Other:

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