Oil slides 2 percent on strong dollar, doubts of OPEC output cuts

By Devika Krishna Kumar NEW YORK (Reuters) - Oil prices fell 2 percent on Tuesday to the lowest in nearly a month, extending the previous session's sell-off as the U.S. dollar strengthened and doubts mounted over whether producing countries would implement a deal to cut output. Saudi Arabia and other members of the Organization of the Petroleum Exporting Countries (OPEC) appear to be reducing production, but it was unclear whether other big producers will follow suit. Iraq, OPEC's No. 2 producer