71.   Jones replaces Marvin Kalb, the former CBS and NBC correspondent who stepped down last year.

72.   Last night, Oviedo said he would only step down if Wasmosy and vice-president Robert Seifert did likewise, radio reports said.

73.   Livingston quickly rescinded his ultimatum, but Gingrich stepped down a few hours after receiving the letter.

74.   Ludwick, the chief executive, stepped down two weeks ago after months of speculation that he was ready to retire.

75.   Ludwick had announced his plans to resign in July and stepped down a few weeks ago.

76.   Madrazo stepped down last month as governor of Tabasco to begin his campaign.

77.   Mitchell, who is stepping down this year, had hoped to make health care legislation the crowning achievement of his congressional career.

78.   Mori is expected to step down next month to make way for a successor from his governing Liberal Democratic party.

79.   Mladic refused to step down Saturday.

80.   Moore replaces Donald Flynn, who founded the company and stepped down last May.