French PM Valls raises prospect he could challenge Hollande in election

By Jean-Baptiste Vey PARIS (Reuters) - French Prime Minister Manuel Valls on Sunday raised the prospect he could challenge his boss Francois Hollande as the Socialists' candidate in the 2017 presidential election. A challenge to President Hollande could divide the Socialists further, just as their center-right rivals get down to serious campaigning against the far right after choosing former prime minister Francois Fillon as their candidate on Sunday. In past weeks, the message from the Valls ca