https://www.reuters.com/article/us-google-health-congress/u-s-lawmakers-question-google-about-collection-of-health-records-idUSKBN1XU2PH >U.S. Presidential candidate Elizabeth Warren along with fellow Senators Richard Blumenthal and Bill Cassidy wrote a letter to Alphabet's Google on Wednesday to raise questions about its access to the health records of tens of millions of Americans.