There certainly is a lot of them trying….
Check it out:

In a field brimming with candidates, the University of Virginia’s Larry Sabato and his associates contend in the pages of Politico Magazine, the “conventional wisdom” is that the Republican presidential nomination is up for grabs in 2016.

But is it?

Hardly, they write:

[The] closeness of the race is a mirage, a false projection of the reality that exists just below the surface. At this very early stage, when every week more candidates declare, the public is mainly not engaged—not even the select contingent of voters that will turn up to cast ballots in the caucuses and primaries.