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Wallace has served as President of the Seismological Society of America , Chairman of the Incorporated Institutions for Research in Seismology , and authored the position paper for the American Geophysical Union on the verifiability of a comprehensive test ban treaty . Dad ’ s TIME is a comprehensive fatherhood program , targeting fathers , grandfathers , stepfathers , and male friends , with children ages 0-5 . Critical amongst these is a comprehensive land reform programme , which has the potential to be a major driver of rural development . This project focuses on disability education from a comprehensive youth education perspective . Click here for a comprehensive status report . They have renewed the prospects for a continued nuclear arms race at the very time that efforts for a Comprehensive Test Ban seemed within reach . Consequently , as one is thinking about a comprehensive test ban treaty with an absolutely zero yield limitation - - not a ton , not 20 tons , not 100 tons , but zero nuclear yield is permissible under the CTBT as negotiated - - one has to realize that law-abiding nations will of course , if they sign and ratify it , go along with it and behave themselves under such a regime .