What do you think of his political party nowadays?
ご質問ありがとうございます。
① "How is he as a politicians these days?"=「彼は政治家として最近はどうでしょう?」
② "What do you think of his political party nowadays?"=「彼の政党は最近どうだと思いますか?」
追加:
"He has been in the world of politics for a long time."=「彼は長い間、政治の世界にいる。」
ご参考になると幸いです。