Button fastest as Vettel sits out second practice | 2011 Turkish GP second practice
Jenson Button topped the time sheets in second practice.
Source: http://feedproxy.google.com/~r/f1fanatic/~3/Ko10wP5v9CY/
Source: http://feedproxy.google.com/~r/f1fanatic/~3/Ko10wP5v9CY/