Federal Reserve Chairman Ben Bernanke holds a press conference following a Federal Open Market Committee meeting at the Federal Reserve Bank headquarters December 12, 2012 in Washington, D.C. - 

The Fed begins its two-day meeting in Washington on Tuesday. Is this the week the tapering begins? Many on Wall Street are predicting the Federal Reserve will start to cut back on its bond-buying program. And what the Fed does here has a big impact overseas. James Knightley, senior international economist at ING in London, joins Marketplace Morning Report host David Brancaccio to discuss. 

Audio Extra: Still confused? Listen to Marketplace Morning Report host David Brancaccio explain how the Fed could orchestrate a reduction in economic stimulus. 

Follow David Brancaccio at @DavidBrancaccio