22-year-old Matt Garcia, one of the youngest elected officials in the state, succumbed to injuries after taking a "single bullet to the back of the head" on Monday night in front of a pal's house. He was allowed to die "naturally" at John Muir Medical Center in Walnut Creek this afternoon, being taken off of life support at his family's request. Garcia, who was born and raised in Farfield, wanted to be mayor the......