The content originally appeared on: CNN New York (CNN Business)If Russia invades Ukraine, inflation-weary Americans will likely pay even higher prices at the pump. Oil prices have already shot up to seven-year highs in recent days. A conflict between Russia and Ukraine, which the White House has warned could be imminent, would have the potential to drive them much higher. That's because Russia is the No. 2 oil producer on the planet, behind only the United States. And Ukraine is […]