Practicism encourages us to focus on the possible negative outcomes.
This I relate to so well, In my opinion, optimism is great but only after every seeing the whole picture which comes with the negatives and the positives.
Make the most of what you have in the present moment.
Exactly! Once upon a time I watched "The secret", which is just so much in the optimism side of the scale that it can't possibly work by itself. But I think one can take a bit of here, a bit of there and make his own picture. No need to be a Stoic, a Buddhist, a Christian or a cult follower. But you can take something good even from a cult. Its all about what it works for yourself in my view :)
Open-mindedness is key here and finding a good balance, good point @wideyedwonderer.
Anger can be a positive emotion if directed properly, who agrees?
Personally, I do not have that much of an experience with anger. But I can see how it can be used in a positive way, yes!
Eminem, for example... He puts it to work pretty well.