World 14 October 2012 Mitt Romney sends birthday wishes to Margaret Thatcher The US presidential candidate wishes the former PM a happy 87th birthday. Print HTML He's never one to shy away from controversy, is he? Mitt Romney has tweeted his birthday wishes to Margaret Thatcher on the occasion of her 87th birthday, calling her a "tower of strength in the cause of liberty". The US is blessed with courageous friends. Happy Birthday to the Iron Lady, Margaret Thatcher - a tower of strength in the cause of liberty. — Mitt Romney (@MittRomney) October 13, 2012 It's an act that's likely to polarise his support here in the UK - but then that seems to be the way he campaigns in the US, too. › Social media prosecutions threaten free speech in the UK - and beyond Margaret Thatcher in 2010. Photograph: Getty Images Caroline Crampton is assistant editor of the New Statesman. Subscribe More Related articles 5 times Hillary Clinton completely owned Donald Trump US presidential debate: Hillary Clinton might have triumphed over Donald Trump but does it really matter? Hillary Clinton versus Donald Trump: do presidential debates influence the election result?