The first recruits to Islamic State had practised an extreme interpretation of Islam all their lives.
Germany's elites have long practised an "understanding", whereby they overlook Mr Putin's entrenchment of an autocratic and kleptocratic state so as to keep doing business with Russia.
While Reynolds preached and practised an art that looked back to classical models, Gainsborough sought to capture the sense of life in the vital present.
"For the past 40 years, the Malaysian government has practised an affirmative-action policy aimed at raising the living standards of indigenous groups".
Why on Earth has the trust embarked on a series of lugubrious "fairness and balance" reports that wonders (inter alia) whether John Humphrys isn't too penetrating and practised an interviewer to unleash on an untutored world?
A spokeswoman said: "The airline has always practised an 'eyes-on' check at 15- to 20-minute intervals during the cruising phase of a flight – this is where the cabin crew enter the flight deck and check on the captain and first officer.
