政治家のコロコロ対策が変わるって英語でなんて言うの？

"The measures taken by politicians"＝「政治家の政策は」

"change constantly"＝「常に変わる」

Sentence in context:

"You can't trust what the politicians say, because they announce a new policy one day, and change it the next day. Their political measures change constantly."