Jeb Bush says Republican needs to challenge President Trump in 2020 to give conservatives 'a choice'

One of the primary benefits of being a first-term incumbent president is that you don't have to worry about a primary challenge. Traditionally, the incumbent is able to focus all their energy on the general election, while, of course, maintaining their presidential duties.

But former Florida Gov. Jeb Bush, who ran for the Republican presidential nomination in 2016, says a Republican should challenge Trump in 2020.