The Tree Outside My Window

I have a deciduous tree outside my office window. It's some kind of Maple, but don't ask me which one. That's Hubcap's department and he's not here to reference. :) Right now, the leaves and little reddish-pink flowers block my view of anything but the sky and the tree itself.

While I may not be a dab hand at identifying the subspecies (is that even the right word?) of a tree, I love them. Always have. Our last house backed up to a greenbelt (area that could not be developed) filled with...