 power outages continue throughout the Texas Gulf Coast, a triple-digit heat index is expected to hinder recovery efforts. Chris Fox for CBS News, Austin. A doctor specializing in Parkinson's disease has recently visited the White House multiple times, in fact. CBS's Ed O'Keefe had a testy exchange with White House Press Secretary Karine Jean-Pierre about the visits by neurologist Dr. Kevin Kennard. Dr. Kennard's name appears on the public White House visitor logs that show that he's been here eight times.