By Lei Chavez abs-cbnnews.com | 02/13/2009 12:57 PM I am a leader, I can make a difference. With this premise, 12 senior high school students delivered speeches on true leadership in the recently held grand finals of the Voices of Leadership Elocution Competition on Wednesday. The public speaking contest is a corporate advocacy of Volvo Philippines launched last November 2008. It was organized by Viking Cars Inc (VCI), the authorized dealer of Volvo cars in the Philippines, and Scandinvian Motors Corp. (SMC), the official importer of Volvo cars in the country. As varied as the schools the contestants came from, each speech gave numerous definitions: from the universally known concept of "A leader is a servant" to endearing ones as "Ang lider ay isang salmon" to serious notions as "Leadership is a way of life." For Chinese-looking (but purely Filipino) John Xavier Valdez from Ateneo de Manila High School, "Leadership is not about power or charisma. It ...