Jim Potter says insurance companies only out to please Wall Street investors . Cigna would make it hard to renew insurance for some expensive clients , he says . Former chief executive left the company after he died kidney transplant . Potter notes that the leading proposals for health care in Congress do not seek to set up Canadian-style health care in the United States . Potter says it does not purge and encourages business to lower rates .
Jim Potter says insurance companies only out to please Wall Street investors . Cigna would make it hard to renew insurance for some expensive clients , he says . Former chief executive left the company after he died kidney transplant . Potter says it does not purge and encourages business to lower rates .