Purpose, when there are so many differences in theology. surely the answer is that we can meet in service, in shared moral convictions about our nation, stemming from a common world view. >> shannon: are you confident that the g.o.p. will be firmly behind him? how much difference do you think his vice-presidential pick will make to voters? >> well, let me take the second part first. i think it will be critical. i think the president has helped move the intensity meter to about 75 or 80% in support of mitt romney, among conservatives. you know, the key to team building as a common objective. wh...