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Republican senator switches party Republican senator switches party
(40 minutes later)
US Republican Senator Arlen Specter is to switch sides and become a Democrat.US Republican Senator Arlen Specter is to switch sides and become a Democrat.
The move would give the Democrats 59 seats in the senate, just one short of the 60 needed to stop Republican attempts to block legislation. The move would give the Democrats 59 votes in the senate, just one short of the 60 needed to overturn Republican attempts to block legislation.
The Democrats are expected to pick up their 60th seat when the result of the still-disputed Minnesota senate race is decided by the courts. The Democrats are expected to pick up their 60th vote when the result of the still-disputed Minnesota senate race is decided by the courts.
Mr Specter said he would not vote along party lines for the Democrats any more he had done for the Republicans. Mr Specter, a moderate, said that since he joined the Republicans in 1980 the party had "moved far to the right".
"I now find my political philosophy more in line with Democrats than Republicans," he said in a statement announcing the switch.
He added: "My change in party affiliation does not mean that I will be a party-line voter any more for the Democrats that I have been for the Republicans."
Mr Specter was facing a tough challenge from conservative Pat Toomey, in a primary election to decide who would run as the Republican candidate for Mr Specter's senate seat in 2010.
There will now be 57 Democrats in the Senate. Two independents also vote with the party.