Almost by definition, we are not aware when we're being protected by a guardian angel. Here's a small anecdote by such an angel -- and I thank God there are people like this around.
I guessed her age at about nine, maybe ten. khaki pants with a white shirt, short hair slightly windblown. The bus had just pulled away. My shop is located on a very busy street across from a large city park. Her school bus stops on the corner. My last customer had just walked out the door when I saw her walk to the corner and slump against the chain link fence... [Read the rest here.]
By the way, this fellow has a new blog with some very interesting info. Check him out.