The first headline implies that protestors only peacefully continued while the second headline states they fought back with force.
You will need to add the commas as follows:
I think Robert, Mary Jane, Andrea, Lee Ann, and Milton should be on the planning committee.
There are 4 commas.
<em>In the course of his long life in business George G. Matthews </em><em><u>amassed</u></em><em> a substantial fortune.</em>
<em>Hope this helped you!</em>