During a campaign the air is full of speeches - and vice versa.

A compact political joke built on a pun: in election season, the “air” is metaphorically “full” of speeches because candidates and surrogates talk incessantly. The tag “and vice versa” flips the image into a second meaning—speeches are also “full of air,” i.e., hot air: windy, inflated, and lacking substance. The line captures a familiar skepticism about campaign rhetoric, suggesting that the sheer volume of oratory is inversely related to its informational value. Its anonymity fits the tradition of epigrammatic political wit circulated in newspapers, speechmaking manuals, and collections of humorous “sayings” that thrive during electoral cycles.