Original sentence: He refused point blank to join the Orange Institution - the first Ulster Unionist MP at Westminster never to be a member (and to date only one of three, the others being the former UDR member Ken Maginnis and Lady Hermon), and he was an outspoken opponent of the more extremist Unionism espoused by the Reverend Ian Paisley and his supporters
Edited sentence: He refused point blank to join the Orange Institution (who largely controlled the UUP after their split from the Conservative Party) - the first Ulster Unionist MP at Westminster never to be a member (and to date only one of three, the others being the former UDR member Ken Maginnis and Lady Hermon), and he was an outspoken opponent of the more extremist Unionism espoused by the Reverend Ian Paisley and his supporters