 And Senator Roger Wicker of Mississippi is calling for Secret Service Director Kimberly Cheadle to step down following the assassination attempt of Donald Trump. Read more at supertalk.fm. This is Sarah at Stotts Automotive. Is your air conditioning blowing but not getting cold? The most common cause of this is a low Freon level. So get it serviced at Stotts Automotive. We will pressure test it and add up to one pound of refrigerant.