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.
There are many benefits to saliva test for drugs: 1  Easy to Manage â The oral drug test is one of the simplest drug tests to use. 2  Fast and Accurate â The test takes 10 minutes and results are extremely accurate. 3  Inexpensive â The tests are the least expensive that you will find and are high quality.