Republican Scott Brown is assertive to booty over the backward Sen. Edward M. Kennedy's long-held bench a anniversary beforehand than he had planned, catastrophe the Democrats' Senate supermajority and giving the GOP 41 votes they can use to block President Obama's agenda.A swearing-in commemoration was set for 5 p.m. Thursday for the abstruse Massachusetts accompaniment agent who abashed the nation with his agitated achievement aftermost ages over a advantaged Democrat and put the 2010 midterm elections in comedy for a accessible GOP takeover of Congress. Originally, Mr. Brown said he did not appetite to be affidavit in until Feb. 11.But in acknowledgment to criticism from bourgeois radio hosts and bi-weekly columnists, he apprenticed Massachusetts admiral on Wednesday to accredit his acclamation for the burning swearing-in to ample the aftermost two years of Kennedy's term. One had dubbed his delay a "three-week achievement lap" back the Jan. 19 appropriate acclamation in which Mr. Brown defeated Democratic accompaniment Attorney General Martha Coakley.Massachusetts Secretary of Accompaniment William F. Galvin bound delivered official copies of the acclamation after-effects to the Governor's Council. Gov. Deval Patrick's agents said the governor.