Hi, nice question i presume u r a commerce person rather than political. See u change job for better prospects or money or even for good work culture but never to change you idology of life, in other terms u can change u r bf/gf but not mother. for me changing or supporting one political party is a question of idology. We should not forget that this voting is not for nuclear deal if it would had be for only nuclear deal than all person have to vote as per their wish but it is to trust government on its policies not only nuclear deal but other also. So i am unable to understand how one can change his idology due to which people voted them.