At 8 a.m. on any given weekday, just around the corner from the Foggy Bottom Metro station you’ll likely spot four or five bike messengers huddled around a red Ford Econoline van. Each morning they meet with groggy eyes to rummage through wrapped packages like slightly under-enthusiastic children on Christmas morning. Brought in via Dulles International Airport, the packages are addressed to locations all over the District. This is the first run of many for…