Archbishop Vincent Nichols is the only cardinal chosen from a European church, Father Christopher Jamison told ITV News.
Mr Jamison, who is a friend of the newly appointed cardinal, said that Pope Francis was putting a stronger emphasis on being "a poor church for the poor".
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Some 465 seats are up for grabs in the lower house, which Abe dissolved last month to call a snap election amid rising approval ratings.
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Staff have racked up hundreds of thousands of dollars in fees as Robert Mueller and House and Senate committees probe Moscow’s meddling.