In Washington Tuesday, the prominent Republican lobbyist Jack Abramoff pleaded guilty to three felony counts. He admitted to defrauding at least four Native Americans tribes of tens of millions of dollars, bribing government officials and evading taxes. _ Abramoff has reportedly agreed to testify against several members of Congress who received favors or donations from him or his clients. _ The Wall Street Journal reports his testimony could implicate as many as 60 lawmakers.