straw in the wind

"If you are 20 points behind in the polls you are going to grasp at any straw in the wind - and this is a straw in the wind," he says.

“That Texas ruling, it seems to me, is a straw in the wind that abortion laws are going to be freshly scrutinized by this Supreme Court,” Carlson said.

“These figures may well be an interesting straw in the wind about political sentiments in early 2021,” said William Galston, senior fellow at the Brookings Institution.

Credit Suisse, Mr. Véron said, could be “a straw in the wind that suggests there is a relaxation of risk management within banks because it is so difficult to make money on interest margins.”

So I think that's a straw in the wind, that there's a dissatisfaction.