Original sentence: The riding of Willowdale became vacant on July 12, 2007 with the resignation of Jim Peterson
Edited sentence: He  was widely criticized for resigning so soon after the 2006 election.Many riding voters were outraged at the additional taxpayers' expense incurred by another Liberal member of Parliament resigning well before the end of the term, in order to pursue personal business opportunities.She is not a resident of Willowdale and has been again parachuted in an available Liberal riding, against the choice of the Party members in the riding.Some Liberal Party members in the riding were further alienated by the appointment, not election, of Martha Findley as the Liberal candidate.The riding of Willowdale became vacant on July 12, 2007 with the resignation of Jim Peterson, after only one year since the last election