Why Russia's crisis could have a ripple effect By: CNBC.com News December 19, 2014 at 10:56 AM EST Some say the crisis in Russia won't ripple into Europe and the U.S. - we're not buying it, says portfolio manager Hugh Johnson. Read More >> Related Stocks: Sentinelone Inc Cl A West Texas Resources Inc iPath Dow Jones-Goldman Sachs Crude Oil Fund