dr. jill biden, is at st. mary's college delivering keath keynote address.t started at 8:00. >>> as students prepare to return to school next month, california is struggling with a teacher shortage. only 60,000 positions have been filled so far. substitutes have been used to fill that void. they will start the school year with as many as 25% of their teachers being substitutes. >>> lawmakers reportedly plan on evading a new law that would basically fast-track approval for flood prevention projects. the warning was authored by san jose, his district suffering major damage of flooding by the coyote creek flood. current laws sometimes do lead to delays during the normal permitting process. >>> according to press democrats, a new uc davis report finds the lake is warming at 14 times historic average. that amounts to almost half a degree of fahrenheit every single year. >> it might be warmer. i know people who do those annual swims. i don't think it's warm, period. >> no, it's very cold. i didn't do a swim, but i did a jump in, jump out. >> warmer now, our temper