Shortly after his arrest the Indian government offered to release the 74-year-old campaigner, prompting hundreds of his supporters to gather outside the prison to celebrate.
Pundits suggested that this oldcampaigner, who moved across to Mr Barak from the Likud, may have sensed the imminent implosion of his new political home.
Two years ago, the 44-year-old campaigner set up a group called India Against Corruption aimed at putting pressure on the government to bring about tough anti-corruption laws.
Baroness Newlove will work alongside former Eastenders actress Brooke Kinsella, who has also been a leading campaigner since her 16-year-old brother Ben was stabbed to death two years ago.
Myron Lieberman, a former union campaigner who has been increasingly disillusioned with his old friends, estimates that they probably employ more full-time (or the equivalent) political operatives than the Republican and Democratic Parties combined.
The Montenegro-born 20-year-old has no titles and a career-high ranking of 152 but played with the composure of a seasoned campaigner to close out the match 6-4 7-5 4-6 6-4.