Uncertainty drove oil prices higher when trading opened on Sunday as more Russian troops massed on Ukraine’s borders, but they fell later in the night as news reports said President Biden would consider direct talks with his Russian counterpart as long as Russia does not invade. Oil prices had been essentially flat over the last week as traders anticipated a potential nuclear deal with Iran that could allow the country to bring millions of gallons of oil to the market. But with tensions ratcheting up along the Russia-Ukraine border, oil markets opened in evening trading more than a dollar a barrel higher. In a sign of the volatility of the market, prices eased later on Sunday night and were up about 20 cents a barrel in the European morning. President Biden and other senior American officials have said that President Vladimir V. Putin of Russia has already decided to […]