Both houses can propose laws, declare war, override the president veto with 2/3 vote, and can propose amendments to the constitution with 2/3 veto.
Public Events are one way that players can try and get an Exotic Engram to drop. Itâs a small chance at best, but since Public Events are so fast and easy to find now, theyâre not a terrible option.
I don't think you can find an exotic engram on the ground. If you can, I've never seen it or even heard of it.