"After the Abramoff thing we got critical mass," said Rep. Jeff Flake, R-Ariz., who long had advocated new leadership.
While Flake is a conservative in a safe congressional district, others suddenly calling for change were more moderate Republicans who could face difficult re-election campaigns this fall.
New Mexico's Heather Wilson was among them.
She said three of DeLay's "former senior staff members have admitted or have been implicated in corrupt and illegal activities to get money for themselves by influencing legislation. Whether or not Mr. DeLay was involved himself or knew this was going on, he is responsible for his office."
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