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Rather , as a matter of trial strategy , it chose to make Barnes its ally in the struggle to disavow liability by claiming that the insurance contract should be voided ab initio . To be effective at this strategy , it presumes a continued U.S. involvement in international affairs . As a teaching strategy , it helps teachers to keep students focused on " what has to be learned . As Vice President and principal analyst , Laurie conducts research on CIO and IT management issues , including IT and business strategy , IT communication and marketing , and IT 's role in business innovation . In the absence of the latter strategy , it is clear that the use of RBG has a greater chance of sustainability at the community level .