David Muir, the anchor and managing editor of America's most-watched newscast "ABC's World News Tonight with David Muir" and ...

David Muir, who was named in the TIME100 Most Influential People of the year, received a touching tribute written by ...

President Donald Trump threatened to send the United States to war with Iran during an Oval Office Executive order signing ...

The United States and Iran begin high-stakes talks on Tehran's nuclear programme on Saturday, with President Donald Trump ...