Potential gop presidential candidates for 2012 have criticized the president in recent days for appearing reticent and not pushing america 's traditional role of international peace-keeper .
At the same time , since they were less culturally reticent and more socially ambitious than asian-americans , jewish immigrants also faced more egregious obstacles to mobility than asian-americans did when america once again allowed them in .
While google news is notoriously reticent about the particular elements included in its algorithm , some of its general signals , engineers have said , include : the commonality of a particular story arc ; the site an individual story appears on ; and a story 's freshness , location , and relevance .