The latter will be a particular concern for buyers, since the principal is adjusted for changes in the consumer price index, and would shrink.

ECONOMIST: Japanese inflation-linked bonds

His principal aim was to hold the line against all those changes in the 19th century that threatened the power of his own class, the territorial aristocracy.

ECONOMIST: British politicians: Just say no | The

Those who disagree often cite mostly positive political changes in the former Soviet Union as a principal reason why the U.S. is today less in need of nuclear deterrence than in the past.

CENTERFORSECURITYPOLICY: Freedom Flame 2013

The men in these couples, she discovered, exhibited significant changes in their levels of cortisol, testosterone (the principal male sex hormone, and thus in some sense the masculine equivalent of estradiol) and prolactin over the courses of their partners' pregnancies.

ECONOMIST: Hormones and fatherhood

But although team insiders say there will be no operational changes at Renault as Bob Bell combines the role of team principal with his duties as technical director, it is hard to see how the team will not miss their figurehead, Briatore, and Symonds's tactical nous.

BBC: F1 returns to scene of the crime