Donald Trump on Saturday sought to push back against reports that he was “rambling” when he told a story about sharks and electrocution at a recent rally, leading some onlookers to say his attempt to defend his remarks were worse than the original telling itself. Trump earlier in June ranted at a rally about batteries and shark attacks, leading the internet to question the ex-president’s mental capacity. The former president was speaking in Las Vegas, when he at one point veered off into a discussion about shark attacks while apparently discussing President Joe Biden’s environmental priorities…