Q You asked for pay-it-forward stories. This has nothing to do
with cars, but it's now in its fifth generation.  When my great-
grandfather immigrated to the U.S., he knew nobody and spoke no
English. He was helped by an immigrant aid society in New York
City. They told him to pay it forward, and have his descendants
help the next wave of immigrants.  More than 100 years later,
I'm continuing that tradition by helping the current generation
with their immigration problems, and I coordinate a program at
our local high school to provide computer repair and donations
for immigrant families who need them.  Sue Kayton  Menlo Park  A
And I bet every day you think of your immigrant great-grandpa
and the wonderful tradition he started. And now on to other
stories about paying it forward.  Q On the way driving back from
Southern California, I went through the drive-through lane at a
Starbucks near the Grapevine. When I drove up to the window to
get my order, the employee said the family in the car in front
of me had as