"There's no place in the district where we don't have a presence," Blair said.
Jackson resigned his seat in November following a months-long leave of absence. He cited his ongoing treatment for bipolar disorder and said he was the target of a federal investigation.
Earlier this month he pleaded guilty in federal court to spending about $750,000 of campaign funds on personal items. Sandi Jackson pleaded guilty to filing false joint federal income tax returns that knowingly understated the couple's income.