Is 2% Growth The New Normal For Consumption?

From 1960 to November 2007 (the 2007-2009 recession started December 2007 according to NBER), real personal consumption expenditures grew at just about 3.5% trend growth. In this recovery, consumption as only mustered a growth rate just above 2%. Is this another permanent downshift in consumption growth or will consumption ratchet back up? Something we will be keeping an eye on.