While House Republicans and Trump appear to be aligned in their desire to investigate Biden’s fitness to serve, there is some frustration brewing among congressional committees about how quickly the Trump administration is responding to some of their requests, according to multiple GOP congressional sources familiar with the matter.

The former president’s cancer diagnosis prompted an outpouring of well wishes and sympathy, as well as some whispered uncertainties that reflected a lack of trust in what he says about his health.

Public reaction to the announcement ... dimension of leadership health while respecting appropriate boundaries around personal medical information. As Biden begins navigating treatment decisions ...