With the Franco-German plan to bail out Europe, Chancellor Angela Merkel accepted what she had always refused: a pooling of debt in the profile of the most troubled European countries. Can this work? The analysis of Marion Van Renterghem, great reporter, columnist for the Express and author of "Angela Merkel, the political UFO" (Arenas) and "My Europe, I love you me no more" (Stock) and Sylvain Kahn, historian, professor at Sciences Po, specialist in European questions and co-author of "The country of Europeans" (Odile Jacob).