The White House was at pains Monday to rebut the assertion.
In a statement Wednesday, lawyers for Contador tried to rebut the assertion that tainted beef had been ruled out as a reason for Contador's positive test.
During the question period, Senator Chuck Grassley (R IA), the cosponsor, with subcommittee colleague Senator Dick Durban (D IL) of a bill to tighten the H-1B program, asked Hira if he could "rebut the assertion that some, including your co-panelist Brad Smith, have made that the U.S. does not in fact have enough highly skilled workers".
If a company passes the first two hurdles, it would then be considered for heightened regulation and be given a chance to rebut the assertions.
The fax, though City Hall did not comment on it, appeared to be an effort to rebut the assertions of teachers that they routinely work far more hours than their contract requires.
The singing and dancing are also designed to rebut the government assertion that the protesters are jihadists, because most Islamic extremists abhor singing and dancing.
The executives are expected to begin a more aggressive campaign to rebut the families' assertions that the deal is not in the company's best interests.
Prosecutors arguing against the commuting of the death sentence on Thursday devoted much of their case to rebutting the ballistics assertions of Mr. Workman's defense.
Top Gore advisers rebutted the Bush camp's repeated assertions that the vice president wants to keep counting until he likes the result by accusing the Bush forces of trying to cut off the count while Mr. Bush is ahead, in an effort to guarantee their desired outcome.
The White House spokesman, Jay Carney, sought to rebut that assertion, describing the released detainees as "low-risk, noncriminal".
