Senate Republicans have initiated an investigation into former President Joe Biden's health, following the announcement of his late-stage prostate cancer diagnosis. The first hearing, held on Wednesday, marks the start of what GOP lawmakers claim is an inquiry into a cover-up of Biden's health decline during his presidency. The focus on Biden's mental and physical health has intensified over the past month, after public disclosure of his cancer diagnosis and revelations from a book detailing the White House's efforts to accommodate the 82-year-old president. Republicans have seized on these accusations, with multiple committees in both the House and Senate launching investigations. "There was a conspiracy to hide the president's true condition by his family, by his staff, by the media and many elected officials," said Sen. John Cornyn, R-Texas. "With a compromised president, our government's very legitimacy and capacity to function was undermined. The American people paid a price fro...