Spain preview quotes - Mercedes and Sauber on Barcelona

After four thrilling, flyaway rounds to open the 2013 season, the Formula One paddock moves on to the more traditional territory of Barcelona's Circuit de Catalunya for next weekend's Formula 1 Gran Premio de España 2013. Those involved discuss their prospects for the race

via Formula1.com - Latest Headlines http://www.formula1.com/news/headlines/2013/5/14515.html