The statement 'Harris lands in DC wearing a @TeamUSA jacket.' is a factual observation about an individual's attire upon arrival in Washington, D.C. The accompanying image shows a person wearing a jacket with 'USA' on the back, walking on a tarmac. This statement does not engage in substantive public issues, debates, or discussions that contribute to civic dialogue. It is a lighthearted, observational comment about a public figure's clothing choice and travel, and does not constitute public discourse.