Planck scale operators, inflation and fine tuning
  Ultraviolet completion of the standard model plus gravity at and beyond the
Planck scale is a daunting problem to which no generally accepted solution
exists. Principal obstacles include (a) lack of data at the Planck scale (b)
nonrenormalizability of gravity and (c) unitarity problem. Here we make a
simple observation that, if one treats all Planck scale operators of equal
canonical dimension democratically, one can tame some of the undesirable
features of these models. With a reasonable amount of fine tuning one can
satisfy slow roll conditions required in viable inflationary models. That
remains true even when the number of such operators becomes very large.
