Once they do, it takes technical skill to get upright again, so inexperienced boaters without guides close by might have to abandon ship and swim back to shore.
To take their advice would be to abandon not only the ground that Romney has worked so hard to stake but also the supporters who stood by him when others questioned his sincerity.
Just as Kandinsky turned his back on figuration, so did the atonal composers of the early 20th century, led by Arnold Schoenberg, abandon tonal harmony, the fundamental ordering principle on which all Western classical music had previously been based.