There's a whole lot of debate about Jeb Bush.
But it also reflects uncertainty about the GOP field
It's hard to call anyone a GOP 'front-runner' for 2016.
Jeb Bush's reasons for running get stronger.
Events may be conspiring to push Jeb Bush into the 2016 presidential race.
Events are moving in Jeb Bush's direction.
The reasons for a Jeb Bush 2016 run are piling up.
Republicans' embrace of immigration reform has been swift and has shaken the status quo on what was once thought to be an insoluble political dilemma.
Lots of politicians could use a book to set themselves up for a 2016 run.
Results of new research shows GOP primary voters aren't as opposed to immigration reform as some anti-immigration exclusionists in the pundit class would have you believe.