Fishing Angles - Upstream or Downstream?

We’re here to talk about fishing angles. Are you wading upstream or down? And are you casting upstream or down? What’s your preference? Why do you make that decision? When, if ever does it change? And does your casting direction always follow your wading direction? Sometimes, these preferences seem regional, while other times it’s specifically about the tactic -- meaning that swinging wet flies, for example, suits a downstream approach best. But sometimes, angle choice seems more like traditi...