In politics the competition to sway public opinion is fierce. Every strategy is used to gain an edge. Talk radio, tv and attack ads are mainstays. With social media came new opportunities.
Peer pressure is a powerful tool. Third world labor was initially used to befriend and manipulate voters, but it quickly became obsolete.
When the crops failed the city dwellers went first. Bubba lasted a little longer but not by much.
Deep in caverns, solar powered servers humm and the debate continues. On Facebook the bots arguing that global warming doesn't exist outnumber their opponents by fifty to one.