When Brooklyn claimed to be taking over the barbecue world, even stiff-necked Sen. Ted Cruz clapped back with, “Bless your hearts” on Twitter. Any fool knows Texans don’t need to leave their state, or even their neighborhood, to find the best barbecue in the world. So loosen your belts for a ’cue tour of East Dallas. Bring your appetite, your wallet and plenty of patience. With food this good, you’ll have to wait in line.