When he has something that Bush wants, or he threatens a neighbour which has something Bush wants. Or he is a threat to the US. None of which are currently true.
not sure how to rate thes answers but thx i guess i want to know how much we love or hate america and if we trust or respect them. plus to see that mugabe taken out. There's a programme on bbc2 9pm tonite about it; 'what we think of america' not mugabe :-)
Africa's a difficult one for any large western state, any interference in African politics by the west is immediately labeled as 'old colonial masters trying to dictate' and generally produces the opposite of what you set out to do... as you can see in the case of Mugabe.