what senior advisors are there?
karl rove, january 21, 2001, august 31, 2007, barry steven jackson, september 1, 2007, january 19, 2009, pete rouse, january 20, 2009, october 1, 2010, david axelrod, january 20, 2009, january 10, 2011, david plouffe, january 10, 2011, january 25, 2013, valerie jarrett, january 20, 2009, present, daniel pfeiffer, january 25, 2013, present
which terms are longer than 4 years?
karl rove, january 21, 2001, august 31, 2007
which senior advisor has that long of a term?
karl rove