By Randy Mitchell   It can crush budgets, trample timelines and smash strategies.   It has a nasty habit of monopolizing planning meetings, status calls and your lunch hour.   It packs about 13,000 pounds of angst, and it just landed squarely on your shoulders.   What is it? The marketing elephant in the room.   Every B2B marketer has one. I’m talking about the massive program that gets assigned to you as coworkers sigh audibly and avoid your glance. From that day forward, your pachyderm of a project will follow you around the office, onto the bus, and sometimes, it even comes home with you.   Maybe your elephant is a social media program. It can be a beast to develop