Former first lady Melania Trump shared a photo on X of her son, Barron, casting his first-ever ballot on Tuesday.The towering, 18-year-old NYU freshman voted for his father, of course.“Voted for the first time – for his dad!” Melania tweeted. Barron is the youngest son of former President Donald Trump, and was said to have advised his father on ways to capture the youth vote.Barron and Melania are both in West Palm Beach, Fla., joining the 45th president at his 2024 election watch party....