To begin with, the substantive differences between the center of the Democratic and Republican parties on many key foreign-policy questions has narrowed.
Requiring that candidates present written positions on the issues would go a long way toward clarifying the substantive differences between the candidates and creating a more informed electorate.
Republicans have argued that the substantive differences are deep and will require a more sustained effort to bridge than one or two meals.
Political campaigns, on this theory, are essentially struggles among the élite, the fraction of a fraction of voters who have the knowledge and the ideological chops to understand the substantive differences between the candidates and to argue their policy implications.
STEVE COLL: On viewer perception, I'd say 31-20 only because the substantive differences on foreign policy and rhetoric that we all follow so closely are pretty obscure compared to earlier debate subjects — jobs, women at work, Social Security, Medicare.
While the substantive differences between their administrations remain to be seen -- Mr. Bloomberg has offered few clues, outside official appointments, about his priorities and plans -- Mr. Bloomberg and Mr. Giuliani are vastly different men, in background and personal style.
The substantive differences between the 2014 Sport and 2013 Rover are, ironically, rather superficial.
One would expect these presentations to vary given the substantive differences between the two sub-disciplines, as well as Linhart's (1997) finding that the definition of evolution differs between disciplines in the biological sciences.
(Borgmann 1992, 108 9) Critics assert that the ethical force of Borgmann's analysis suffers from his lack of attention to the substantive differences between particular social networking technologies and their varied contexts of use, as well as the different motivations and patterns of activity displayed by individual users in those contexts.
