It docks those with antitakeover defenses (Amgen), problem directors (Bank of America) and legal or regulatory problems (Merrill Lynch).

FORBES: A Matter of Trust

In 1984 Gibbs helped fend off hostile shareholders bent on liquidating the company and engineered a poison pill antitakeover provision.

FORBES: Wild Frontier

Last week, Esmark said it had adopted what is known as a poison pill plan, an antitakeover provision that is triggered if an entity attempts to acquire 15.0% or more of the company's common stock.

FORBES: Magazine Article

Weaken antitakeover statutes to discipline management.

FORBES: If They Were In Charge...