More from the article...

...Why it matters: Bragg's response leaves Republicans with little room to maneuver in their effort to dent the probe's credibility -- forcing them to decide whether to venture into the uncharted territory of subpoenaing a local prosecutor...

"The Letter only came after Donald Trump created a false expectation that he would be arrested the next day and his lawyers reportedly urged you to intervene," [Bragg's general counsel Leslie Dubeck] wrote. "Neither fact is a legitimate basis for congressional inquiry."

What she's saying: Dubeck listed four ways in which, she argues, the House GOP's request for testimony is improper....