Casey Kasem, whose Top 40 Countdown was the most popular radio program in history, died today at age 82. People turned in for his long distance dedications, his commentary about the artists and songs, and above all his warm, confiding voice. It was undeniably corny, but enormously appealing. Before MTV, he created a nation-wide space for teen culture. And he always urged us to reach for the stars. May his memory be a blessing.