US President Joe Biden seeks to assure Americans he is sufficiently healthy for a second term despite his advanced age, saying he feels "good" and is ready for a potential rematch against Donald Trump, during a press conference with his South Korean counterpart Yoon Suk Yeol. "I took a hard look at it before I decided to run, and I feel good, I feel excited about the prospects," he tells reporters. (COMPLETES VIDI33DW7ZG_EN, VIDI33DW7U4_EN, VIDI33DW7UK_EN, VIDI33DW84X_EN) IMAGES AND SOUNDBITES