If Obama wanted to make radical changes to America's health long-term all he has to do is treble the price of sugar and salt.
Both my parents are English and came out to Australia in 1967. I was born the following year. My parents and immigrants like them were known as '£10 poms.' Back then the Australian government was trying to get educated British people and Canadians - to be honest educated white people - to come and live in Australia.