Not Rubio
Reagan picked Bush his biggest mistake
Needs someone that will continue his agenda
We all hope its the right agenda
Rubio is from the South aka Florida (though some say it is now separate from the old South). He is Hispanic. He can give Trump protection from the racist against immigrants and hispanics charge. he may also protect Trump from the birther stuff (I support Trump but I hate the birther stuff) because trump questioned Rubio as an anchor baby.
So that is why it makes analytical sense for Trump to pick Rubio. I don't think he will though.