Family mourns teen killed in crash  Girlfriend is in coma;
police await toxicology results Jason Anderson  STOCKTON - Loved
ones gathered at a busy Stockton intersection Wednesday evening
to share stories, shed tears and light candles in memory of Drew
Underwood, a 17-year-old boy who died early Tuesday when his
best friend crashed his car into a tree.  "He was very
charismatic," said Debbie Underwood, the boy's adoptive mother.
"He had charm. Everybody loved him."  Authorities said Wednesday
they believe excessive speed and alcohol may have played a role
in the deadly accident, which occurred shortly before 12:30 a.m.
Tuesday on North Pershing Avenue. Underwood, an aspiring
musician who attended Stagg High School and Jane Fredrick
Continuation High School, was sitting in the back of a gray
Honda that hit a tree with such force that the car was sheared
in two, witnesses said.  Three other people were injured,
including Underwood's girlfriend, Diana Di, a 21-year-old San
Joaquin Delta College student who remai