Muir's three-night camping trip with President Theodore Roosevelt in 1903 could be considered the most significant camping trip in conservation history. John Muir was one of the earliest advocates ...

David Muir brings the news to people every night as the anchor for ABC World News. Muir got his start in the broadcasting industry at the age of 13, when he joined a local news station in his ...

President-elect Donald Trump took aim at ABC News “World News Tonight” anchor David Muir during a pre-inauguration rally on Sunday, recalling their clash over crime statistics during the ...