A former Rhode Island state lawmaker has agreed to plead guilty to fraud charges, becoming the third former House member in 11 days to be charged with criminal conduct and prompting the U.S. attorney to decry the state’s political culture. The charges filed against Democrat Ray Gallison in federal court Monday include mail fraud, wire fraud, aggravated identity theft and filing false tax returns. Gallison, an attorney, acknowledged taking hundreds of thousands of dollars from a dead man’s estate and other misconduct. “This says something about our political culture here, which I think should get our attention,” U.S. Attorney Peter...