Under pressure to reveal where he is and what his “ailments” may be, Rep. Jesse Jackson Jr.’s doctors released a statement Wednesday night saying he is being treated for a “mood disorder.” But the statement is unlikely to dampen the speculation about the Illinois Democrat’s mystery medical ordeal, considering the statement gave few details. The release, sent out by the lawmaker’s spokesman, did not identify his doctor’s name nor the facility at which he is being treated. The statement read: “Information regarding the Congressman’s treatment is protected by federal law under the privacy provisions of the Health Insurance Portability and...