In this epochal year in America of political upheaval, the only thing we should not be shocked about is that there are huge shocks to the country. There will be more. Americans and everyone invested in that country’s future need to steel themselves for the events that will unfold.

Hotel busboy Juan Romero, right, comes to the aid of Senator Robert F. Kennedy, as he lies on the floor of the Ambassador hotel in Los Angeles moments after he was shot.Credit: AP

Many acute observers have already drawn parallels with the last presidential election year of seismic eruptions: 1968. An unpopular Democratic president, Lyndon Johnson, under siege from an immensely tragic war with no end in sight and no path to victory in November, announced he was leaving........

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