NEW : Hillary Clinton : The time is now for Democrats to unite . CNN : Barack Obama calls Clinton and thanks her for her support . Speakers at Democratic convention tie themselves to party policies . Mark Warner appealed across party lines in his keynote address . Former Georgia Gov . Mark Warner appeals across party lines in keynote address .
NEW : Hillary Clinton : The time is now for Democrats to unite . CNN : Barack Obama calls Clinton and thanks her for her support . Speakers at Democratic convention tie themselves to party policies . Former Georgia Gov . Mark Warner appeals across party lines in keynote address .