I heard on the news that there will
be a big protest rally in Washington D.C.
against globalization.

I found a quote for the opposite point of view:

Anxiety about globalization also exists in advanced economies. How real is the perceived threat that competition from "low-wage economies" displaces workers from high-wage jobs and decreases the demand for less skilled workers? Are the changes taking place in these economies and societies a direct result of globalization?

Economies are continually evolving and globalization is one among several other continuing trends. One such trend is that as industrial economies mature, they are becoming more service-oriented to meet the changing demands of their population. Another trend is the shift toward more highly skilled jobs. But all the evidence is that these changes would be taking place—not necessarily at the same pace—with or without globalization. In fact, globalization is actually making this process easier and less costly to the economy as a whole by bringing the benefits of capital flows, technological innovations, and lower import prices. Economic growth, employment and living standards are all higher than they would be in a closed economy.

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HERE