In April 2002, when bushy-haired, wide-grinning Justin Guarini, a cousin to actor Samuel L. Jackson, auditioned for what became the phenomenal hit Fox TV show “American Idol,” the 24-year-old was just a number – contestant 126. Six months later, he was voted American’s favorite male solo artist, coming in as first runner up to original champion Kelly Clarkson--and embarked on a seven week arena tour playing to over 200,000 fans from Seattle to New York with his fellow Idol contestants.Guarini’s vocal talents were recognized at the early age of four, when he became the youngest member of the