Three people are arrested on a mostly reflective day in Charlottesville
                                
                                
                                    (Newser) -
                                    Charlottesville, Virginia, marked the anniversary of last summer's white supremacist violence with marches, vigils, and other community events that began unfolding peacefully Saturday amid a heavy police presence,  the AP  reports. As many businesses in a popular downtown shopping district began to open Saturday, law enforcement officers outnumbered visitors....