In a medium sized bowl, whisk together garlic, fish sauce, white wine vinegar, honey and water. Set aside.
Cook rice according to packaging directions. Set aside and let cool slightly.
Meanwhile, bring a large pot of water to boil. Cook corn until almost done, about 10 minutes.
Preheat grill to medium high heat. Place corn cobs and scallions on baking sheet. Drizzle with olive oil and Kosher salt and rub on all sides. Once grill is hot, place corn and scallions over medium high heat and cook until corn starts to get some blackened spots a little (3-5 minutes, turning frequently), and scallions star to char (about 1 minute per side). Remove from grill.
Once corn is cool enough to touch, use a knife to cut off all kernels.
In a large bowl mix together cooked rice, corn kernels, dragon tongue beans, cucumbers, and red onions. Pour dressing into bowl and toss to coat. Divide rice and veggies between 4 bowls and top with 3-4 scallions plus a handful of cilantro. Serve warm.