By a fairly wide margin, mortgage brokers appear to favor Fannie Mae’s Desktop Originator over Freddie Mac’s Loan Prospector – at least when it comes to prequalifing borrowers. That’s one of the many findings contained in a major new study sponsored by Inside Mortgage Finance, an affiliated publication. The new study, “How Mortgage Brokers Work with Prime Conforming Lenders,” is based on a national survey by Campbell Communications of Washington, DC, in May. More than…