No Quagmires. President Ronald Reaganâs âsecretâ war against the Nicaraguan Contras was secret precisely because he was afraid the American public would no longer support him after Vietnam, writes Harvard political scientist Richard Sobel in his book The Impact of Public Opinion on U.S. Foreign Policy Since Vietnam..
Saliva testing is a diagnostic technique that involves laboratory analysis of saliva to identify markers of endocrine, immunologic, inflammatory, infectious, and other types of conditions.s with other diagnostic testing methods, one drawback of saliva testing is the variability that exists among diagnostic devices and laboratory analysis techniques, especially for measuring hormones.
The new system is part of an effort by the LAPD to expand impaired driving offenses into the realm of hard drugs, and they've chosen to unroll it just ahead of the debauchery of New Year's Eve. The oral swab test is designed to detect trace amounts of drug use that hide in the person's saliva. The trace amounts last for up to a few days in saliva, depending on the drug: Cocaine and Marijuana last up to 24 hours in your saliva, while meth and Ecstasy remain in your spit for up to three days.