ROME (Reuters) -Consultations on the formation of Italy’s new government, which is widely expected to be led by nationalist leader Giorgia Meloni, will be held on Oct. 20 and 21, President Sergio Mattarella’s office said on Wednesday. Meloni led a rightist bloc comprising her Brothers of Italy party, Silvio Berlusconi’s Forza Italia and Matteo Salvini’s League to a general election victory last month. Under the constitution, Mattarella has to consult with all the main political party leaders before he can invite the election winners to form an administration. Salvini said earlier on Wednesday …