Panama says it could take over ports as it threatens to upend $20B deal with BlackRock, MSC
1. Panama's president may nationalize two ports impacting BlackRock's control bid. 2. CK Hutchison's contract could be deemed unconstitutional amid court challenges. 3. China opposes BlackRock's deal, seeking equal stake in the Panama ports. 4. National security concerns reportedly influenced proposed changes in port ownership. 5. Past irregularities in CK Hutchison's agreement raise doubts about its legitimacy.