Investors Take a Holiday  NEW YORK (Reuters) - Investors may pack up and leave next  week as the Republican National Convention comes to New York  and many on Wall Street take a vacation, draining U.S. markets  of volume and leaving stocks flopping around with little  direction.
Ukraine Liberal Vows Demonstrations if Cheated  KIEV (Reuters) - The liberal challenger in a closely fought  presidential election in Ukraine raised the stakes on Friday,  threatening to bring his supporters onto the streets if the  authorities tried to deny him victory by cheating.