It seems to me that in general, US society seems to be producing more unstable or anti-social people. When I began teaching at the college level 25 years or so ago, it was pretty rare to encounter a student who, as a result of fundamental anti-social attitudes, required a teacher to seek help from administration. Now, it is not unusual. In fact, just this week, I learned of a long time colleague who simply was forced to quit due to the stress caused by inadequately socialized students. I don't know how to get any objective measure of this, apart from violent incidents on the part of such people, but I think behind those well-publicized incidents is a broader problem.

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1977 300d 70k--sold 08
1985 300TD 185k+
1984 307d 126k--sold 8/03
1985 409d 65k--sold 06
1984 300SD 315k--daughter's car
1979 300SD 122k--sold 2/11
1999 Fuso FG Expedition Camper
1993 GMC Sierra 6.5 TD 4x4
1982 Bluebird Wanderlodge CAT 3208--Sold 2/13