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Sen. Joe Lieberman warned Sunday that America's trains, subways and buses are "vulnerable" to the kinds of horrific terror attacks that have struck London, Madrid and most recently Moscow, and said more needs to be done to protect U.S. riders.
Sen. Joe Lieberman warned Sunday that America's trains, subways and buses are "vulnerable" to the kinds of horrific terror attacks that have struck London, Madrid and most recently Moscow, and said more needs to be done to protect U.S. riders.