Donald Trump on Saturday was slammed by three “Gold Star” families who lost their loved ones in war and now say the former president has nothing but contempt for them. The veterans’ rights group VoteVets posted a press release outlining a feud stemming from the organization’s recent ad buy. In the advertisement, the families expressed anger over Trump calling their fallen family members “suckers” and “losers.” Trump’s campaign released a statement in response to the ad, calling the families “shills” and saying the ad itself is “vile.” But the families responded Saturday, saying team Trump’s re…