When a loved one shows signs of dementia or Alzheimer's disease, you will face challenges for which you feel ill-equiped. Dozens of decisions will need to be made:* Can Mom live by herself safely? If not, what if she refuses to leave her home?* When do I need to take away the car keys and checkbook?* How do I deal with her obstinate refusal to take a bath or go to the doctor?* Should I correct her when she insists her dead sister is still alive?* How...