Rep. Thomas Suozzi (D-New York) has now been officially sworn into his seat representing New York’s 3rd Congressional District, replacing the expelled George Santos. In his first interview with Politico since retaking his old congressional seat, Suozzi said that his decisive win in the swing district could provide a lesson for the Democratic Party at large. The New York congressman noted that his special election took place in the midst of a national conversation about immigration and the Southern border, and that he was able to upstage his Republican opponent by signaling to voters that he wa…