This week, for the first time in 10 years, the Senate Armed Services Committee will be marking up its version of the defense authorization bill ahead of its House counterpart, a timing shakeup that has distinct pros and cons for lawmakers, according to former congressional staffers. The committees are likely to oppose each other in several areas, including the overall defense spending topline for fiscal year 2020. The GOP-led Senate panel will likely authorize the $750 billion the White House...