FILE - Generic gavel on wooden table. PHILADELPHIA - A Philadelphia man who prosecutors say convinced his two sons to help with a failed bank robbery in Bucks County over three years ago pleaded guilty to charges levied against him in 2018.Acting United States Attorney Jennifer Arbittier Williams on Thursday announced that 47-year-old Ronald DeWitt Vines pleaded guilty to attempted armed bank robbery and using, carrying, and brandishing a firearm during a crime of violence. PENNSYLVANIA HEADLINESAccording to prosecutors, in Nov.