Oil is heading for $100 a barrel – and that could spoil everything for the Fed

• Oil prices have been on the rise in recent months and are heading towards $100 a barrel.
• That could push inflation back up, creating problems for the Federal Reserve.
• It's expected to hold interest rates steady Wednesday, but stress that the war on inflation isn't over.

Oil prices are closing in on $100 a barrel – and that's bad news for the Federal Reserve as it tries to kill off inflation for good.