FALLON — Believing in his innocence, Keith Alan Thomas took the witness stand on Wednesday in the Tenth Judicial District Court.Thomas of Carson City was questioned about the shooting on Aug. 16, 2011, of Michael Gallardo, which led to the Churchill County District Attorney’s Office to charge Thomas with battery with a deadly weapon causing substantial bodily harm and assault with a deadly weapon. If convicted, Thomas faces three to 21 years in prison for both felonies.Thursday’s testimony centered on Carpet Connection employees who said they were threatened by Gallardo and James Kelley, the father of Savahanna Kelley, who had …