Recent events worldwide demonstrates the need for everyone to have a voice in how they are governed. However many people are living in their homelands without having their voices heard. Part of the problem lies in people realizing their voices need to be heard. Others may not want to get involved for their own personal reasons. Still others may not feel what they have to say is important. And many of us may be too shy to speak up. Whatever the reason it is very apparent that we all must come together and listen to one another.
Speaking so you will be heard can be learned. The easiest way is to practice, practice, practice. Having opportunities to speak in front of a group of people helps one develop the talent and ability. Here is a TedTalk that may be of interest to you.