Lindsey Graham fell to tea party challenger Lindsey Graham , who many counted out . Graham wins in South Carolina . Preston has been the subject of speculation that he could become speaker . Conservatives Sen. Dave Brat wins his primary in South Carolina .
Lindsey Graham fell to tea party challenger Lindsey Graham , who many counted out . Preston has been the subject of speculation that he could become speaker . Conservatives Sen. Dave Brat wins his primary in South Carolina .