(CNSNews.com) – Fresh off a win over incumbent Sen. Arlen Specter in the Pennsylvania Democratic primary, Rep. Joe Sestak is still obligated to answer questions about a job he says the White House offered him as an inducement not to run against Specter, a leading House Republican said.

“Could the reason why Congressman Joe Sestak refuses to name names is because the very people who tried to bribe him are now his benefactors?” Rep. Darrell Issa (R-Calif.) ranking member of the House Oversight and Government Reform Committee, said in a statement Wednesday.

“For months, Sestak has repeatedly said without equivocation that the White House illegally offered him a federal job in exchange for dropping out of the race,” Issa said...