Congressional investigators believe they are barely beginning to answer the questions raised by the text messages between the FBI's Peter Strzok and Lisa Page. For several reasons:1) Strzok and Page were more prolific texters than anyone knew. In a statement late Monday, Attorney General Jeff Sessions said FBI investigators have found "over 50,000 texts" in their review of Strzok-Page communications. 2) Even with all those texts, the FBI says it cannot find the couple's messages between Dec. 14, 2016, and May 17, 2017 — a critical time in the Trump-Russia affair. It's probably safe to say there is not a...