After calls to eliminate Nevada's caucus last year, Senate Republicans have introduced a bill to move Nevada's primary to January.Senate Bill 212 was introduced on Monday by senators James Settelmeyer and Barbara Cegavske, and assemblymen Crescent Hardy, James Wheeler and Pete Livermore.The bill would make sweeping changes in how the state parties select their candidates and extend the election season by five months. Nevada's primary is currently in June.If approved the bill would replace the current caucus system, where the party members gather in their precincts and meet to debate and select their preference for a presidential candidate and delegates …