WHEN President Hakainde Hichilema stands before the nation tomorrow to deliver his inauguration speech, he will be speaking to millions of Zambians who voted for him for very different reasons. There are those who have been with the UPND since its formative years, who endured years of opposition politics, electoral defeats, ridicule, arrests, intimidation and political exclusion, but still remained loyal to the party.   There are others who joined the UPND somewhere along the way, some because they saw opportunity, some because they wanted political relevance and others because they believed that the party had become the most viable vehicle for their ambitions. There are also those who defected from the Patriotic Front because they were politically hungry,...