WASHINGTON — Potentially explosive allegations from a 10-year independent counsel investigation may never see the light of day due to an appropriations bill negotiation that has some conservatives crying foul. The final report of David M. Barrett, independent counsel appointed in 1995 to investigate potential felonies committed by one-time Clinton administration Housing and Urban Development Secretary Henry Cisneros, is tentatively scheduled for release on Jan. 19, Barrett told FOXNews.com. However, Barrett and others say, thanks to an amendment to the November judiciary appropriations bill, key elements in the final report, which was completed in August 2004 and has been sitting...