They are two of British rugby league's most successful clubs, leading to significant mutual respect, a tradition that will be maintained in the boardroom before Saturday evening's Super League semi-final, as the Leeds chief executive, Gary Hetherington, and the Wigan chairman, Ian Lenagan, hold many similar views about the game.
Mr. August likens such mutual assistance, a Hollywood tradition, to rock climbing.
Instead, village councils and tribal elders mete out justice based on religious tradition and mutual agreements.
"The United States is pushing the two countries closer, despite their long tradition of mutual suspicion," said Shen Dingli, an arms control expert at Fudan University in Shanghai.
In his recent Keir Hardie lecture (named after Labour's first leader) David Miliband evoked his party's pre-war tradition of mutual guilds and moral seriousness, rather than the mix of Fabian statism and cultural relativism that has prevailed since.
He may have a hard time selling his vision to a new public, but he shares with the Boston Symphony a similar tradition: a mutual fineness of technique and sensibility that could make this marriage work.
When a case comes to court, the police will be called to give evidence there a novel experience for them.The appointment of a people's ombudsman, a constitutional tribunal and an independent judicial council will help to break the tradition of mutual back-scratching between government and judges.
"Everyone here is saddened" that the long tradition of mutual loans has been affected, Mr. Holzer said, adding that "as a gesture of goodwill and friendship," the Met would be sending something to the Moscow museum: namely, some of the scenic backdrops from its own Poiret exhibition, in 2007.
"Women have had a long-established tradition of mutual support in this area, but men have found it difficult to seek each other out as resources in the area of weight loss," Vince Mattaliano, a regular participant in the Men's Room, said by e-mail.
There is a tradition of mutual sharing with neighbours such as the Karayu Oromo.
