DEAR ANNIE: Our granddaughter had been on drugs for several years. She had been in and out of jail and rehabs. She had two children, ages 1 and 2. She basically abandoned them, so we all decided tough love and prayer were the answer. She was found by the side of the road where someone dumped her, dead or dying from a drug overdose. Now we all feel guilty that we should have done something other than the tough love approach. She was only 23 years old. What should we have done? — Heartbroken Grandpa DEAR HEARTBROKEN: I’m terribly sorry for the loss of your granddaughter. Death is always painful…