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Why drug testing doesn't violate the constitution?

Explanation:

In two 1989 decisions the Court held that no warrant, probable cause, or even individualized suspicion is required for mandatory drug testing of certain classes of railroad and public employees. In each case, “special needs beyond the normal need for law enforcement” were identified as justifying the drug testing. In Skinner v. Railway Labor Executives’ ,381 the Court upheld regulations requiring railroads to administer blood, urine, and breath tests to employees involved in certain train accidents or violating certain safety rules; in National Treasury Employees Union v. Von Raab382 the Court upheld a Customs Service screening program requiring urine testing of employees seeking transfer or promotion to positions having direct involvement with drug interdiction, or to positions requiring the incumbent to carry firearms.

If the people in the poem were speaking rather than singing it would be less hopeful

Explanation:

One of the reasons why the poem is so joyful is because it uses the word singing, which shows the attitude of people toward their daily activities in a happy and melodic for, if it is not the case, if they were talking they might convey some joy but it would definitely be reduced, because they would project a normal day like any other one.