Original sentence: In June 2003, The Guardian newspaper published a copy of a note that apparently confirms the existence of a pre-leadership-contest agreement between Blair and Brown, with Brown standing aside in favour of Blair in return for the pursuit of a 'fairness agenda' under a Labour government
Edited sentence: In June 2003, The Guardian newspaper published a copy of a note that apparently confirms the existence of a pre-leadership-contest agreement between Blair and Brown, with Brown standing aside in favour of Blair in return for the pursuit of a 'fairness (i.socialist) agenda' under a Labour government