Emma Chao/Scary Mommy; Getty/Runway AIIt’s 5 in the morning, and my mom and I are on the way to the airport. In my early-hours exhaustion, I try to remember the last time we traveled anywhere together, just the two of us, and realize I’m not sure we ever have. But when I’d gotten an email about a road trip to the Grand Canyon, my mom was the first person to pop into my head.Growing up, travel wasn’t always available to us. As a single parent raising three kids, my mom had to work hard. She also somehow managed to always make us incredible home-cooked meals and attend almost every sporting even...