watering, dizziness... made you sk wanthrn vallejo--- hundreds of >>> eyes watering, dizziness, nas eightedn vallejo. hundreds calling 911 after a mysterious odor sweeps through town. we're live with the story. >>> arrested in as adds accused of very serious crimes against children in the bay area. >>> we'll tell you about the major changes coming to mission peak. "today in the bay" starts right now. >>> good wednesday morning. thank you for joining us. i'm sam brock. >> i'm kris sanchez in for laura garcia-cannon. we want to get you started with your weather forecast because it is finally cooling down a little bit. >> yes.

watering, dizziness... made you sk wanthrn vallejo--- hundreds of >>> eyes watering, dizziness, nas eighted. >> dozens of dozens of residents ill in vallejo. hundreds calling 911 after a mysterious odor sweeps through town. we're live with the story. >>> arrested in as adds accused of very serious crimes against children in the bay area. >>> we'll tell you about the major changes coming to mission peak. "today in the bay" starts right now. >>> good wednesday morning. thank you for joining us. i'm sam brock. >> i'm kris sanchez in for laura garcia-cannon. we want to get you started with your weather forecast because it is finally cooling down a little bit. >> yes. you might be surprised to know we have showers on the radar. subtropical moisture has made its way into the bay area. i want to show you the radar. there it is, the green showing up. look how much there is. that's in the middle part of the atmosphere. a lot of that is not reaching the ground. it looks more impressive than it actually is. keep in mind south bay, east bay commuters, you may have to use those windshield wipers. maybe

na day's work for the prince royals. they toured and tasted. this visit is to the province is part of an eightnada. >>> a 14-year-old gunman allegedly opened fire outside a south carolina elementary school, wounding two students and a teacher. one of the students is in critical condition. police say the teenager killed his father yesterday before going to the school. his motive is not known. a veteran firefighter took down the suspect. >>> and hillary clinton tried to drum up support among young voters during a campaign stop with former rival bernie sanders. a recent cbs news/"the new york times" poll finds more than a third of the voters under 30 plan to vote for a third-party candidate. in iowa, donald trump mocked clinton's recent bout with pneumonia. >>> coming up after your local news on "cbs this morning," more analysis from the campaign trail. we will speak with "the washington post" with reporter ed o'keefe and a look at "thursday night football" and wale hear from boomer esiason and gayle talks with hip-hop mogul sean p. diddy combs. that is the "cbs morning news" for this thursday. t

eight degrees at noon and 92 with mostly sunny skies at 4 o'clock. we'll talk about were expecting for the all-important weekend that's coming up. >> na of total gridlock for thousands of drivers on the east side of town the northbound lanes of the 95 or over this morning. so to the southbound lanes. this comes after a shooting suspect jumped into traffic trying to escape up police. news 3's john treanor has more. >> reporter: on the 95 gridlock bumper to bumper for eight hours. just before noon police pursuing a man witnesses called travis. arrest him. for shooting and terrorizing the person at a nearby trailer park a week before. the suspect would not go quietly. he sped away from offices near flamingo. crashed his car on the interstate just before noon near boulder highway and decided to get out and run across traffic. a daring escape that ended with a collision. >> east across the freeway into the northbound lanes on i-95. >> as police suspect was hit and killed by semi tractor-trailer. >> the story better told by the ron. >> i'm still a little adrenaline rush. he said he came feet away from hitting that suspect. >> he did a body roll over the cent

three researchers matthew feld, so san na loeb and james we cough kruk add eight-year study of 850,000ourth and fifth graders. so this is a very large study. they found in schools with high teacher turnover where many teachers were quitting their jobs each year, students lost significant amounts of learning in both reading and math compared to socioeconomic little similar peers in schools with low teacher turnover. here's something really interesting. students at the high turnover schools lost learning even if their own teacher was not new. i want to repeat that. they lost learning even if their own teacher was not new and even if overall teacher quality at the school remained constant. so the effect of teacher turnover actually crosses classroom walls. while at first counter intuitive, when i thought about it more, i realized that this is actually common sense because schools are communities. when administrators are constantly recruiting, interviewing, hiring, they just have the less time on improving instruction, and when many teachers resign each year, institutional memory is lost.