The new orthodoxy calls for a more interactive style of lecturing, in which pupils are constantly called upon to answer questions and make suggestions.
Constantly called upon to perform in his brother's productions, pose for his sketches, and vouch for his lies, he had developed a theatrical flair.
Based at the Aquatics centre during London 2012, the former amateur jockey was constantly called upon to inject some enthusiasm and expert commentary on other sports– from equestrianism to running.
What's more, Abrams would spend the next year or more acting as Biden's human shield, constantly called upon to answer for his past positions on issues that put him at odds with African American and female voters.
It was the culmination of a lifetime of intellectual legwork – and yet he was constantly called upon to validate it until his death in April 1882.
Ironically, professionals must face this fear constantly, called upon to make presentations and speeches, run meetings, speak on conference calls and into webcams, share their opinions and offer solutions.
Anderson's character is one of the few African-Americans in a senior position at his firm, and as such, he's constantly called upon to code-switch and calibrate just how black he can be in a given situation.
"Our reporters are constantly calling these billionaires.
Constantly calling pointless meetings and talking shops.
One of my guys is constantly calling them ignorant.
