Georgia Republican Gov. Brian Kemp urged Georgia Secretary of State Brad Raffensperger to conduct a signature audit of the state's 2020 election results Thursday, calling some of the testimony to come out during that day's state Senate Oversight Committee hearing "concerning."While it is unclear to what degree a signature audit can still be conducted in the state since mail-in ballots are separated from their signed envelopes before they are counted, the call matches what President Donald Trump has been asking for since counting was completed earlier this month showing Democratic nominee Joe Biden edging the incumbent in the state by...