President Obama, J.J. Abrams, Zachary Quinto Pay Tribute to Leonard Nimoy

Following the death of actor Leonard Nimoy, who portrayed Mr. Spock on Star Trek, countless tributes have poured in for the man who popularized the phrase "Live, long and prosper." Among those remembering Nimoy's legacy are astronauts, scientists, writers, sci-fi fans, fellow actors and directors and even President Barack Obama,...