(CNSNews.com) -- A liberal advocacy group that consistently opposes both the conservative agenda and conservative Republicans may also target conservative Democrats in the upcoming election cycle. MoveOn.org, in an email message to supporters, said it is considering a plan to support "progressives" who challenge "right-wing Democrats" in primary races. "We think this makes sense, but it's a big decision so we wanted to check with you and other MoveOn members. What do you think?" The message allows readers to register their opinions by clicking on the appropriate link. MoveOn.org is telling supporters its top goal in 2006 is to break...