Allison Jones, The Canadian Press A downtown Hamilton riding held for many years by former Ontario NDP leader Andrea Horwath is expected to remain in the party's hands after a byelection Thursday, despite their candidate being put on the defensive over some of her activism. Sarah Jama, the candidate for the NDP in Hamilton Centre, is the executive director and co-founder of the Disability Justice Network of Ontario, co-founded the Hamilton Encampment Support Network, is a founding board member of the Hamilton Transit Riders' Union and was previously a senior program co-ordinator at the Hamilton Centre for Civic Inclusion. But...