Prime Minister of New Zealand minister of finance became too big; Prime Minister Sir Robert Muldoon was criticised for taking on the finance portfolio during his time in office as it resulted in a large concentration of power in one individual. Before 1987, it was also common for Prime Ministers to take the role of minister of foreign affairs, so they could represent New Zealand on an international stage. More recent Prime Ministers have taken portfolios relevant to their interests, or to promote specific areas they saw as important. For example, David Lange took the education portfolio in his second term; Helen Clark took the
Spouse of the Prime Minister of Canada Clark, Mackenzie's was Helen Neil, and Diefenbaker's was Edna Brower. Canada has also had one female prime minister, Kim Campbell. As she had finalized her divorce from her second husband, Howard Eddy, in early 1993, there has never been a male spouse of the prime minister (although Campbell's first husband, Nathan Divinsky, did try to attract media attention in 1993 by billing himself as the ex-husband of the prime minister). She briefly dated Gregory Lekhtman, the inventor of Exerlopers, during her term as prime minister, but kept the relationship relatively private and did not involve him in the election campaign.