And Ms. Lewinsky's statements to some that she did not have intercourse with the President, even though she wanted to do so, enhances the credibility of her statements.

CNN: There is Substantial and Credible Information that

At any age it was entirely acceptable and indeed much more the rule than the exception for a man to have intercourse with a woman without having to concern himself with whether conception might occur.

NPR: One Boy's Heroism in the Face of AIDS

In Renaissance Italy, it turns out, there was no end of advice as to how to get them: would-be parents of sons should eschew strong drink, endure abstention to build up their strength and then have intercourse early in the day.

ECONOMIST: Renaissance advice books

Early marriage in many part of Sub-Saharan Africa and Asia means that many engage in intercourse even before they are teenagers and have limited choice over birth control.

BBC: Educating girls is vital to a country's economy, Plan says

The president explained to the grand jury that Miss Lewinsky may have believed that her affidavit was true if she believed that sexual relationship meant intercourse.

CNN: Transcript: Schippers, Lowell briefings before Judiciary panel, part 2