WASHINGTON — Sen. Sherrod Brown may give the country's biggest banks heartburn, but there are signs he's positioning himself as an industry ally ahead of a potential bid to run the Banking Committee.

In recent months, the liberal Democrat and vocal "too big to fail" opponent has taken on several efforts that suggest a more pragmatic approach to financial services issues. He's spearheaded a proposal with several Republican lawmakers to tweak capital requirements for insurance companies under the Dodd-Frank Act and raised concerns that some relatively uncomplicated regional banks are being classified as systemically important.

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