Sarkozy's 'mea culpa': A gambit for the 2017 election?

Three and a half years after his defeat in the 2012 presidential elections and with little more than a year to go before the next elections, French opposition leader and former president Nicolas Sarkozy has admitted to mistakes and "regrets" over his time in power in a new book, “La France pour la vie”. But is this a desperate move to salvage his chances for the upcoming presidential race or a sincere assessment of his achievements and failures during his five-year term?