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'Don't mess with freedom of speech', says writer Scott Dikkers from satirical website The Onion. As the suspects are named in the killing of 12 journalists in France, Scott says that it often takes extreme humour to combat extreme religious fundamentalists.

Should we increase the tax on carbon emissions? Former US Treasury Secretary Larry Summers says we should - and it could mean higher tariffs on imports to America.

Finally, a french fries shortage in Venezuela has aroused suspicion.

Guests today are Ralph Silva, a financial analyst in Toronto, and Simon Littlewood, president of Asia Now consulting group in Singapore. Presented by Roger Hearing.