A recent Gallup poll showed a seismic shift in how Democrats view the decades-long conflict between Israel and the Palestinians. This shift was no mere accident. It is the result of a highly coordinated and expensive effort by activist political groups that seek to undermine and destroy the lone Jewish state under the guise of compassion and equity for a marginalized group. For decades, both major political parties openly supported the Jewish state and demonstrated that support with declarations and funding. Of course, there were other motives besides merely loving the Jewish people or feeling guilty about the Holocaust. Israel...