potential core in a sentence

Examples

1. Five longtime Iraqi opponents of Saddam Hussein agreed to broaden membership of their informal council _ the potential core of a new government _ by adding an Iranian-backed Shiite group and the son of an old-guard Iraqi democrat.
2. Five longtime Iraqi opponents of Saddam Hussein agreed Thursday to broaden the membership of their informal council _ the potential core of a new government _ by adding an Iranian-backed Shiite group and the son of an old-guard democrat.
3. On Thursday night, five longtime opponents of Saddam agreed to broaden the membership of their informal council _ the potential core of a new government _ by adding a Shiite Muslim group and the son of an old-guard democrat.
4. Areas along the Coyote Ridge, including Kirby, Metcalf, San Felipe, Silver Creek Hills have been designated " core habitat areas . " An area of 1, 100 acres ( 4 km?) in the Santa Teresa Hills has been labeled a " potential core area " by the Wildlife Service.