David Muir to Become the Anchor of 'World News Tonight'

Diane Sawyer takes us through over a decade of Muir's dedicated reporting from all over the world.
1:15 | 08/29/14

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Transcript for David Muir to Become the Anchor of 'World News Tonight'
-- Reporting from. Missouri or Oklahoma home after home obliterated she did -- to the bathroom where she was huddled in brain better -- Katrina. Earthquake in Haiti tsunami in Japan everyone it okay Gaza China. Ukraine Mogadishu's if you hear the gunfire just around it. All this tourists from every corner of the planet every inch of -- -- My -- stay up with a bell marked that this is not a citizen and protect and keep it chilly Michigan. And when American jobs are on the lines he leads the charge. -- -- -- -- He's been right there are first reporters and ABC's David Muir David New York near the front lines ABC's David Muir. Leads our coverage once again tonight about a. And David connecting us to reach others -- events in our world that matter most. You're welcome home. ABC's world news tonight.

This transcript has been automatically generated and may not be 100% accurate.

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