 do not know exactly why he was visiting the White House. The White House will only say, quote, a wide variety of specialists from the Walter Reed system visit the White House complex to treat thousands of military personnel who work on the grounds. So essentially, this doctor could have been here for a variety of reasons. ABC's Selena Wang. Barrel now a tropical storm made landfall early today on the Texas coast. Houston Mayor John Whitmer stressing the community is still in an emergency situation. My message to...