Meanwhile, classes on gun rules in Phoenix are booked solid for months, ammunition is sold out, and gunmakers and dealers alike are scrambling to keep up with demand.

ECONOMIST: Gun-owners are on the defensive

Speakers today need to forget the rules they learned in public speaking classes of the last century, or in debate classes, and focus instead on having a conversation with their audiences.

FORBES: Why You Need to Change Your Public Speaking Style

He worked with the Nevada State Athletic Commission to get UFC sanctioned in Nevada after adopting some rules: There would be weight classes, judges, point systems and a limited number of rounds.

FORBES: On The Cover/Top Stories

But Scots, including many of its peculiar rules of grammar, survived among the working classes.

ECONOMIST: Scots English

There were servants to address one's every material need, dinner in white tie and lavish gowns, and rules designed to keep the upper crust on top and the lower classes in their place.

CNN: 'Downton' in America: 6 big estates

Under the current rules, this tax-free benefit applies to undergraduate and graduate level classes.

FORBES: Clearing Up Tax Confusion For College Savings Accounts

For mobile devices or certain classes of SaaS applications, perhaps it will be sufficient to set some ground rules, observe activity, and test when possible that the rules are being followed.

FORBES: Eight Steps For Addressing the IT Management Crisis

As the story goes, Rollins had skipped a number of classes while studying law at Harvard and had particularly sweated an upcoming exam on the federal rules of evidence.

FORBES: Magazine Article

For example, parents might set the rules on food, sleep and daily routines, while grandparents might help set up camps, shared trips or extracurricular classes.

WSJ: Work & Family Mailbox