Zionist Union MKs Eitan Cabel and Shelly Yacimovich made a deal to support each other to head the Labor Party and the Histradrut Labor Federation respectively, tapes of Cabel revealed on Channel 2 and 10 indicated Thursday."Shelly is obligated to support me for chairman of the party," Cabel said in the taped conversation with a former political ally. "This is my opportunity to achieve my dream."Despite the broadcast of the tapes, both Cabel and Yacimovich continued to deny making a deal, as they have for weeks.The tapes also revealed Cabel, who ran for Histadrut head five years ago admitting that the run was only intended to advance himself politically and saying bluntly: "I don't care about the Histadrut."He called Zionist Union leader Isaac Herzog "a liar and a cheater" and said he had no power in the party.