Due to the fact that American politics lean so heavily on the two party system, few Republicans reach across the aisle to work with Democrats. Both parties are well-entrenched in their beliefs, making bipartisan cooperation rare, but that much more important. Republicans who work best with Democrats can accomplish more in a shorter amount of time, and work together to write bills that benefit everyone.With the Republican presidential nomination up for grabs, here's your chance to vote up the GOP members who are the best at working with their Democratic counterparts. On this list you'll find not only all of the Republicans running for president, but many of the most prominent Senate Republicans as well. In the Senate, they have the opportunity every day to reach across the aisle and work together with Democrats. Which ones truly do? Vote up the Republicans you feel accomplish this the best.