“Sweep on, you fat and greasy citizens.” Shakespeare’s happily permissive tone toward obesity is fine in “As You Like It” (Act ii, Sc. 1), but it’s bad advice in today’s brave new world of food and advertising.

It may not be a perfect storm, but the past year has seen a convergence of factors that are likely to result in the filing of more lawsuits, possibly the passage of more regulation and even enactment of legislation against those who market so-called unhealthy foods to children.