From a light show and Brandi Carlile performance at the Statue of Liberty to a July 4 bash in Nashville, and visits to all 50 states and the seven natural wonders of America in between, ABC is going big for America's 250th.

David Muir, Diane Sawyer and Deborah Roberts talk to USA TODAY about ABC's 24-hour live broadcast for America 250 and the power of journalism today.

From a light show and Brandi Carlile performance at the Statue of Liberty to a July 4 bash in Nashville, and visits to all 50 states and the seven natural wonders of America in…