In his inauguration speech , he challenged the administration of Mayor Bloomberg , specifically criticizing his homelessness and education policies .
De Blasio was inaugurated as New York City 's third Public Advocate on January 1 , 2010 .
In De Blasio 's inauguration speech , De Blasio challenged the administration of Mayor Bloomberg , specifically criticizing his homelessness and education policies .
De Blasio was inaugurated as New York City 's third Public Advocate on January 1 , 2010 .