The President in the executive branch can veto a law, but the legislative branch can override that veto with enough votes. The executive branch can declare Executive Orders, which are like proclamations that carry the force of law, but the judicial branch can declare those acts unconstitutional.
The Odyssey is about Odysseus's 10-year struggle to return home to his wife.
Galileo's problem was that he was trying to teach people science which was in conflict with what the church preached. When he started questioning the church and providing scientific results the people started questioning as well which did not bode well for the church. The conflict got resolved with him abandoning his research and living a quite secluded life until he died.
To plant a garden where they come from