1. barack obamanın en ciddi reqibidir

porto riko (primary)
mitt romney---------------82,6%
rick santorum--------------8,2%
newt gingrich--------------2,1%
ron paul---------------------1,2%

illinois (primary)
mitt romney---------------46,7%
rick santorum-------------35,0%
ron paul---------------------9,3%
newt gingrich--------------8,0%

louisiana (primary)
rick santorum-------------49,0%
mitt romney---------------26,7%
newt gingrich-------------15,9%
ron paul---------------------6,1%