Complex sentence: He removed Peter Oborne as political editor, and appointed Fraser Nelson in his place to and decided not to appoint a new media columnist to succeed Stephen Glover, explaining, I do not think "The Spectator" needs a media columnist.
Split into simpler sentences: He removed Peter Oborne as political editor, and appointed Fraser Nelson in his place. He decided not to appoint a new media columnist to succeed Stephen Glover, explaining, I do not think "The Spectator" needs a media columnist.