NEW YORK (Standard&Poor's) Jan. 28, 2004--Standard&Poor's Ratings Services said today that its credit rating and outlook on Nexstar Broadcasting Group Inc. (B+/Stable/--) are unaffected by the company's announcement that Liberty Corp and LMA partner GNS Media of Evansville Inc. failed to complete the purchase of WTVW, Nexstar's Fox affiliate in Evansville, Ind. The sale of WTVW was expected to raise $41.5 million. The proceeds from the asset sale were to be used to repay debt. The failure to close this transaction may expose the company to covenant pressures in 2005, which is a non-election and non-Olympic year and also when the company's leverage covenant tightens to 6.25x on December 31. Standard&Poor's previously stated that