Welcome to Trail Guide, your daily tour along the road to the White House. Here's what we're watching on Sunday, Aug. 16:
- Donald Trump on NBC's "Meet the Press": Immigrants "have to go"
- Both Trump and Hillary Rodham Clinton arrived at the Iowa State Fair on Saturday. The Times' Seema Mehta chronicles the sights (a butter cow) and the food (pork chop on a stick)
- Super PACs, attack ads and million dollar donors - oh my? Check out this new graphic on the 2016 money trail
- Ohio Gov.