Sen. Ron Johnson is launching an investigation into former President Biden's health, he told Axios. Why it matters: The news of Biden's cancer diagnosis as well as new revelations about the White House's efforts to hide the former president's deteriorating health has reignited attacks from the GOP about Biden's fitness to carry out the duties of commander in chief.

The MAGA faithful are accusing Joe Biden’s White House physician of concealing the former president’s prostate cancer diagnosis, and they are demanding that he be subpoenaed. Dr. Kevin O’Connor, an osteopath,

The news of Joe Biden's prostate cancer diagnosis has raised questions about why the disease wasn't detected earlier.