But for others, it's a tougher call, given that the estate tax law now exists in a state of confusion and flux.

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Some experts in the Catholic canon law expressed confusion about the practical effects of the Pope's announcement.

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Yet in three of the cases the court's decisions once again expanded the scope of the law, and may create more rather than less confusion.

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It is meant to ensure that there is no dispute, no confusion, no rival interpretations which could see a court of law rather than the people determine Scotland's destiny.

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Rules range from the 1996 Health Insurance Portability and Accountability Act (HIPAA) which can be a major source of confusion on privacy and security issues, to the 1989 Stark Law which regulates doctor referrals, to the Corporate Practice of Medicine laws which prohibit businesses from employing physicians, and forbid doctors from splitting fees with non-doctors.

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By not simply adding 2012 and 2013 to the current subparagraph (B), Congress has created confusion out of what should have been a very straightforward amendment to existing law.

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The current confusion in class action law is harmful for everyone -- employers, employees, businesses of all types and sizes, and the civil justice system.

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