is not enough when vacationing in one of the world's most stylish countries. While Samantha channels her typical chic holiday vibe in a simple denim tunic dress and box fresh Birkenstocks,  David looks less than comfortable in the Spanish heat wave in freshly pressed jeans, slip-on shoes and navy denim-look shirt. Next time he's away from Downing Street Femail would recommend some tailored city shorts, a crisp white shirt and an espadrille for summer style points. (Toni Jones, Deputy Femail Editor) Home Secretary Theresa May, who flew back early from holiday last summer when the riots began, will then take the helm for a few days before Mr Cameron returns. Controversially, it emerged yesterday that this two-week break is not Mr Clegg's first summer holiday this year. The Deputy Prime Minister quietly slipped away during the Olympics to spend one week at the villa his family owns in France. He has now flown to the small town of Olmedo in Spain. He is due to spend two weeks in the area where his wife Miriam Gonzlez Durantez grew up and her family still live. They will be accompanied by their three children Antonio, Alberto and Miguel. Tory MP Peter Bone has repeatedly asked both Mr Cameron and Mr Clegg in Parliament who would take over if the Prime Minister were to be unable to lead, but has never received a definitive answer. Last night he told the Mail the holiday plans were proof that Mr Hague, not Mr Clegg, would