The top Democrat on the House Intelligence Committee on Wednesday said sitting officials can be impeached for prior criminal conduct, citing a recent legal precedent. Rep. Adam Schiff (D-Calif.) made the remarks after he was asked at a Washington event at the Brookings Institution about whether a sitting president can be prosecuted for federal crimes that he or she committed before taking office.Schiff pointed to a 2010 case in which the Senate voted to impeach Thomas Porteous Jr., who was a Louisiana federal district court judge at the time. Schiff said the Senate convicted him on four articles of impeachment...