Todd Ricketts is taking on Google, betting there’s still a niche in internet search for what the former Republican National Committee finance chairman calls “unbiased, uncensored” media. Ricketts, part of the family that made its fortune in the online brokerage business and owns the Chicago Cubs, recently launched Freespoke, which is described as “a search engine for the heart of America.” Google dominates the market with about 56% of all searches, followed by Microsoft at 21% and Yahoo at 9%, …