Original sentence: For example, in the Election of 2008 John McCain originally used a message that focused on his patriotism and political experience; later the message was changed to shift attention to his role as a "maverick" within the political establishment
Edited sentence: For example, in the election of 2008 John McCain originally used a message that focused on his patriotism and political experience; later the message was changed to shift attention to his role as a "maverick" within the political establishment