Journalist Gayle King details moments Katy Perry sang as they returned to Earth

American Journalist Gayle King details moments Katy Perry sang as they returned to Earth during the Blue Origin space travel flight. Gayle was the eleventh member of the flight to space, and described the 'goosebumps' she felt when pop star Katy Perry sand an 'accapella' rendition of Louis Armstrong's 'What a Wonderful World'.