By Herbert Lash and Sujata Rao NEW YORK/LONDON (Reuters) – The dollar rose to a two-week high on Monday against a basket of currencies, lifted by rising geopolitical risk over Ukraine and a likely hawkish stance from the Federal Reserve at its policy meeting this week. Markets until recently had mostly shrugged off the massing of Russian troops on Ukraine’s borders, but tensions have ratcheted up lately. NATO said it was putting forces on standby and reinforcing eastern Europe with more ships and fighter jets, in what Russia denounced as an escalation of tensions. The United States is consider…