Sprint Cup director John Darby says it is reviewing incident
with experts   When NASCAR returns to Auto Club Speedway, there
likely will be a SAFER barrier on the interior wall smacked by
Denny Hamlin's No. 11 Toyota in Sunday's Sprint Cup race.  The
crash on the last lap after a battle with Joey Logano sent
Hamlin to a nearby hospital with a fractured vertebra in his
lower back.  In a conference call with news media Tuesday,
Sprint Cup director John Darby said the area would be reviewed
by NASCAR and its coalition of independent safety experts who
are employed to make suggestions on track improvements.  "If the
folks make a recommendation that they think will help ensure the
safety there, then I'm sure the speedway follows it," Darby
said.  Though they are recommendations, which Darby said are
from outside experts and not NASCAR, there could be consequences
if they aren't completed. Sanctioning agreements hold that
tracks risk losing races if they aren't in compliance with
NASCAR directives.  Because he hadn