"The rights of freedom of expression and information are guaranteed…. In terms of content, every form of subjective idea or opinion capable of transmission is protected by this article. While [the] scope of the article is not confined to one medium of expression, its importance for political expression should be evident. The electoral process is a mechanism whose very purpose is the expression of the political will of the people. The right to express partisan ideas must, therefore, be firmly guarded during election periods."