Some of the topics include:
It is their job to bark when a stranger comes to the door but you should teach them that an "okay" from you means everything is fine and your protector can stop making noise.
9 times out of 10 the canine is just displaying fake aggression.
If you are one of those dog handlers whose left arm feels longer than the right one because your dog keeps jerking when you have them on a leash you need a new communication system with your dog.
The most important time in the dog's life to work on socialization is between 10 months and 24 months of age...and then continue for the rest of their lives.
Some dogs steal food and paper products from the kitchen counters. We've even seen pets that can pick pockets!