Can one leave baggage in Rome's termini luggage for 2 weeks? what cost?
http://www.raileurope.com/europe-travel-guide/italy/rome/train-station/termini-train-station.html?WT.mc_id=google.Train+Stations.cpc&WT.srch=1&WT.term=roma+termini+station&WT.campaign=3346&WT.source=google&WT.medium=cpc&WT.content=907484214&WT.srch=1 This link to the raileurope site lists all of the infomation that you are looking for. I don't know what your plans are, but it seems pretty expensive to keep it there for two weeks.
http://www.grandistazioni.it/cms/v/index.jsp?vgnextoid=5dc9fb73699fb110VgnVCM1000003f16f90aRCRD I'm not sure I would want to leave my luggage for two weeks. If you don't need it you might just want to leave it at home. Donna