The civil rights in Singapore and US/UK are not even close: US: http://en.wikipedia.org/wiki/First_Amendment_of_the_United_S... UK: https://www.gov.uk/protests-and-marches-letting-the-police-k... (This is only when you are going to have a protest march and not when you are just going to speak.)

And http://en.wikipedia.org/wiki/English_defamation_law this law is considered an impediment to free speech in most modern world and is not practiced much in the US (because it contradicts with the first amendment).