Final answer:
The State of the Union address and bully pulpit are instrumental in setting presidential agendas and influencing public opinion. Presidents have historically used various forms of media to communicate with the populace and advocate for policy changes, although technological advances have created both opportunities and challenges in shaping public perception.
Step-by-step explanation:
The use of the State of the Union address and the bully pulpit by U.S. presidents are key tools for agenda-setting and influencing public opinion. The State of the Union is an annual event where the president communicates legislative agendas to Congress and the American people, often outlining policy priorities and initiatives. Coined by President Theodore Roosevelt, the term 'bully pulpit' describes the president’s ability to use the office as a platform to advocate for their agenda and influence the passage of legislation. With advancements in technology, such as radio, television, the internet, and social media, presidents have found more powerful ways to shape public opinion. FDR's 'fireside chats' and presidents utilizing television during emergencies are examples of how media has been used to rally public support and comfort the nation.
However, the increasing sophistication of communication channels does not guarantee political success as the power to influence is also available to opponents. During the "Golden Age of Presidential Television," the reach of presidential speeches was significant due to limited viewing alternatives. Today, the modern presidency has a multitude of platforms to communicate messages, but securing public approval and translating it into political power can be challenging.