What is one responsibility that is only for United States citizens?

Defending the Constitution is a responsibility exclusively for United States citizens. This duty highlights the commitment that citizens have to uphold the principles and framework laid out in the Constitution, as well as to protect the country from threats. This responsibility is particularly significant, as it underscores the role of citizens in maintaining the democratic ideals and governance of the nation.

In contrast, the other options represent responsibilities that apply universally to all individuals residing in the United States, including non-citizens. Obeying laws and paying taxes are obligations that everyone must adhere to, irrespective of their citizenship status. Listening to the news is more of a civic engagement activity and does not qualify as a formal responsibility. Overall, the unique obligation to defend the Constitution reflects the special role that citizens play in safeguarding democracy and the rule of law.