Donald Trump Jr.Donald (Don) John TrumpElection Countdown: Takeaways from heated Florida governor’s debate | DNC chief pushes again on ‘blue wave’ discuss | Manchin faces progressive backlash | Trump heads to Houston rally | Obama in Las Vegas | Indicators of big midterm turnout The Hill’s Morning Report — Offered by PhRMA — Early ballots pouring in with 15 days to the midterms O’Rourke’s rise raises hopes for Texas Dems down poll MORE on Monday visited in Indiana to rally assist for…