network news shakeup

it's not quite as dramatic as it sounds, but abc announced today that it's replacing elizabeth vargas (a fellow mizzou alum) with charles gibson as its evening news anchor. vargas started months ago, but she is pregnant, and when she comes back from maternity leave, will work for 20/20. gibson will leave gma at the end of june where, as of now, diane and robin will continue on. it's been an interesting couple of years for evening news... what with the three veterans leaving, replacement anchor bob woodruff being seriously injured, and couric becoming the first solo female evening news anchor. i will be curious to see what happens along the way - gibson obviously has the gravitas to pull off the job, and he will be the most experienced newsman of the anchors. i would think the segment of society that still religiously tunes into the nightly news would want to watch him and not katie... it could create an interesting ratings race. also, the highly-coveted morning news will also be a different ballgame now... gma, which has been threatening today, may see a momentum change once gibson leaves, all those women may turn to matt lauer for company during their morning coffee now!