Organizational culture

You will discuss your recommendations for a change in organizational culture in the organization of the Secret Service (SS) .
Secret Service article: http://www.nytimes.com/2015/01/15/us/politics/secret-service-reshuffling-follows-scandals.html?_r=0

1) Select a level of culture (either artifacts, espoused values or basic assumptions) and briefly describe how it is currently manifested in the organization. What should this level look like after a culture change?

2) Using either socialization by a dominant subculture or leader intervention, what steps should be used to change the culture? In other words, selecting one of these two methods, what would you recommendation happen to change the culture?