Google's deal for Fitbit faces an EU probe — and regulators who watched the company break a major promise after buying DoubleClick in 2008 (GOOGL)

· The EU Commission has announced it is launching an in-depth probe into Google's proposal to acquire wearables maker Fitbit.
· "The Commission is concerned that the proposed transaction would further entrench Google's market position in the online advertising markets," it said in a statement.
· Google says the deal is about...