Former French President Nicolas Sarkozy, hand-in-hand with his wife Carla Bruni-Sarkozy, walked down his home's alley Tuesday before heading to prison to serve time for a criminal conspiracy to finance his 2007 election campaign with funds from Libya, the first ex-leader of modern France to be imprisoned. His journey from the presidential Elysée Palace to the notorious La Santé prison in Paris has captivated France.