The Athenaeum Hotel—small, warm, stylish—puts you at the very heart of London: a walk through Green Park across the street takes you to Buckingham Located in stunningly renovated London Guarantee Building, LondonHouse Chicago luxury hotel combines classical architecture with a visionary, modernist 22 story all. London (CNN) – Mitt Romney told British leaders he hopes to take in an Olympics swimming competition during his time in London. With no pool…