WOTC - Meeting govt leaders

I asked this question in the Wisdom of the Crowd:

Is it appropriate for PM Lee's wife to be involved in meetings with other govt leaders?

Here are the responses: (62 Votes)

66 % - She should not be involved, as she does not have any official position in the govt. 
23 % - It is appropriate only if the the spouse of the other govt leader is visiting us.
6 % - It will create uncertainty and confusion within our public service.
5 % - Yes. She is the wife of the PM.

See the pie chart at: 
http://www.wisdomofthecrowd.sg/chart.aspx?ID=1000