A Second Class stamp <a href=" http://www.kaestner-tools.de/sinequan-erowid.pdf ">sinequan 25</a> Napolitano has at times been a polarizing figure during her time in charge of the agency tasked with preventing terrorist attacks, responding to natural disasters and maintaining border security. Republicans have said the department, under her leadership, has failed to adequately measure what it calls an unprecedented build-up of security resources at the U.S.-Mexico border.