"'America's Mom' Tabitha Brown presents an inspirational guide for encouraging positive changes in your life— one day and one challenge at a time. I did a new thing today! Years ago, Tabitha Brown started a 30-day personal challenge that she called 'I Did a New Thing!' The challenge was simple. Every day she would do something she'd never done before. Sometimes it was something small like trying a new food. Other times, she'd step it up a bit and...