Israeli opposition politician Benny Gantz has promised Prime Minister Benjamin Netanyahu his support if Israeli negotiators agree to a ceasefire and hostage exchange in indirect talks with Hamas in the coming weeks. His centrist National Unity party will back any reasonable agreement that leads to the return of the hostages abducted by Hamas, Gantz said in a telephone conversation with Netanyahu, according to his office. The talks, which the US, Egypt and Qatar are mediating, have been at a standstill for a long time. However, a new round is due to start in the Qatari capital Doha in the next …