English Idiom: Zero in (on someone or something)

zero in (on so/sth)

Idiom Meaning: Fig. to aim directly at someone or something.

Idiom Example:

The television camera zeroed in on the little boy scratching his head.
Mary is very good about zeroing in on the most important and helpful ideas.

Another example from the news:

BREAKING NEWS: Senate Leaders Zero In on Deal to End Federal Shutdown and Raise the Debt Ceiling

Late Monday night, the Senate appeared to be closer to resolving the current political crisis--yet uncertainty remained on multiple fronts

Late Monday night Oct. 14, the U.S. Capitol in Washington was abuzz with activity, as Senate leaders appeared to be closing in on a legislative deal that might end the double crisis of the current federal government shutdown and the looming federal government debt default. Late-evening reports in both the Washington Post and The New York Times, and broadcast reports on Fox News and MSNBC, revealed details of a Senate plan that appeared to be coming together barely two days before the U.S. Treasury department faced the prospect of no longer being able to pay the government's bills. Even so, speculation continued as to whether House Republicans, whose legislative actions initially triggered the shutdown, would go along with Senate Republicans on the emerging deal.

According to a report in the Post by Lori Montgomery and Rosalind S. Helderman, "Senate leaders said late Monday that they were closing in on a deal to raise the federal debt limit and end the two-week-old government shutdown, just days before the Treasury Department exhausts its ability to borrow. The emerging agreement," they wrote, "would extend the Treasury Departments borrowing authority until Feb. 7, reopen the government and fund federal agencies through mid-January, according to aides and lawmakers familiar with the negotiations. In the meantime," their report added, "policymakers would launch a new round of talks over broder budget issues in hopes of developing a plan to.... Read the full news at: http://www.healthcare-informatics.com/article/breaking-news-senate-leaders-zero-deal-end-federal-shutdown-and-raise-debt-ceiling