Republicans have been eying Democratic Sen. Mark Pryors' seat in Arkansas for a while now, and Rep. Tom Cotton will give the GOP a fighting chance to take it.
The two have been campaigning for more than a year in a state where Obama won just 37 percent of the vote in 2012.
The 36-year-old Bronze Star recipient has already received major help from Florida Sen. Marco Rubios' Reclaim America PAC, which made a big TV ad buy that emphasized Cottons' military background and promise to fight big spending.
http://nbcpolitics.nbcnews.com/_news/2013/12/26/21971168-political-stars-to-watch-in-2014