Since the beginning of 2018, President Donald Trump has raised more than $42 million for his 2020 re-election campaign. Of that amount, $13 million has come from individual contributions, as our sister publication the Portland Business Journal reports. Nearly two-thirds of Kentucky voters went for Trump in 2016, so it's not surprising that a good number of Kentuckians already have ponied up to support his 2020 bid. In the attached slideshow, you can see the 25 people who have given the most to…