Do you ever stop and wonder about what TWD would be like now if even the slightest detail was changed earlier? One change in the story would change the show from that point through the rest of the series.
What if Jenner and Jacqui decided to leave the CDC with our group?
What if Ed was never killed?
What if the Governor accepted Rick's deal about sharing the prison and they put the fighting behind them?
What if Shane was still alive?