Cadillac ELR: A plug-in luxury coupe

For the past decade, Cadillac has been searching for ways to breath life into its lineup of American luxury sedans and SUVs. While they've enjoyed success with the CTS and Escalade, brand perception still skews older and stuffier than its German and Japanese rivals. Can the electrified Cadillac ELR shock the system and return a pulse to this storied brand, or will this Chevy Volt-based plug-in price itself out of the market?