Original sentence: The memorandum  outlined a draft agenda proposing a coordinated package of news articles and editorial commentary to be published by the paper regarding a contested mass transit referendum to expand Houston's controversial METRORail system on the 2003 ballot, which was later approved narrowly by voters
Edited sentence: The memorandum  outlined a draft agenda of coordinated news articles, editorials, and political commentaries to be published by the paper, seemingly to promote a hotly contested mass transit referendum to expand Houston's controversial METRORail system on the 2003 ballot