The US presidential candidate wishes the former PM a happy 87th birthday.
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.