The end-of-year spending bill deal crafted by congressional leaders Tuesday would dramatically expand the amount of money that wealthy political donors could inject into the national parties, drastically undercutting the 2002 landmark McCain-Feingold campaign finance overhaul. The language - inserted on page 1,599 of the 1,603-page bill - would allow ... a donor who gave the maximum $32,400 this year to the Democratic National Committee or Republican National Committee ... to donate another $291,600 on top of that to the party's additional arms -- a total of $324,000, ten times the current limit. In a two-year election cycle, a couple could give $1,296,000 to a party's various accounts. "These provisions have never been considered by the House or Senate, and were never even publicly mentioned before today," said Fred Wertheimer, president of the advocacy group Democracy 21. Adam Smith, spokesman for the group Every Voice, said in a statement, "Very few people can write checks almost twice the size of the country's median income, but that's what this provision will allow. It gives the biggest donors another opportunity to influence politics and buys them more access to politicians." Campaign finance experts were taken aback by the scope of the measure, rumors of which first surfaced Tuesday, hours before the deal was finalized.