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.

Joe and Jill Biden are likely stinging from the backlash that’s come off the back of the former president’s revelation he is battling prostate cancer — including calls for his

After maintaining a low profile since leaving the White House, former President Joe Biden recently emerged with media interviews and an April speech.