Under current law, public television stations are not allowed to broadcast commercials.
Both have only broadcast commercials upstate, saying television time in the city is too expensive.
Two hopefuls have broadcast commercials, but it is difficult to find anyone who has seen them.
May 15 is the official opening of the media campaign, the period when candidates are permitted to broadcast commercials on television.
All of the local commercials broadcast on the station are produced in-house.
It is a significant break from recent campaigns, in which political commercials broadcast on local programs seemed awkward and out of context.
The three major networks said they might broadcast commercials during their coverage, depending on the testimony.
As a result, no presidential campaign this year has yet broadcast scathing commercials against its rivals.
In his 60-second commercial being broadcast on Christian radio stations, a female announcer says the country suffers from a "moral crisis."
The group has been broadcasting commercials on urban radio stations urging reform of the sentences.