The world is at war 

Two weeks before the Paris massacre, we took our twin granddaughters, age 11, for their first visit to Paris. They live in Berlin and were eager to see Mona Lisa smile, watch artists paint in Montmartre and take a boat trip on the Seine. One night we watched the tip of the Eiffel Tower light up like a sparkler on the Fourth of July (or Bastille Day, if you like). Twenty-thousand flashing lights illuminated the sky above Paris for five minutes, as the lights had done every hour from

Two weeks before the Paris massacre, we took our twin granddaughters, age 11, for their first visit to Paris. They live in Berlin and were eager to see Mona Lisa smile, watch artists paint in Montmartre and take a boat trip on the Seine. One night we watched the tip of the Eiffel Tower light up like a sparkler on the Fourth of July (or Bastille Day, if you like). Twenty-thousand flashing lights illuminated the sky above Paris for five minutes, as the lights had done every hour from 8 p.m. to 1 a…