South of the river, less than a mile from Alexia De Vere’s opulent Westminster office but a world apart, Gilbert Drake sat in Maggie’s Café, hunched over his egg and beans. A classic British greasy spoon, complete with grime-encrusted windows and a peeling linoleum floor, Maggie’s was a popular haunt for cabbies and construction workers on their way to work on the more affluent north side of the river. Gilbert Drake was a regular. Most mornings he was chatty and full of smiles. But not today. Staring at the pic