By Valentina Za, Gianluca Semeraro and Mathieu Rosemain MILAN (Reuters) -Monte dei Paschi (MPS) CEO Luigi Lovaglio has pulled several all-nighters since arriving in Siena in early 2022, when Italy’s Treasury picked him out to revive the fortunes of the world’s oldest bank, five years after bailing it out. Back in October 2022 he worked




