dan white. reporter: feinstein became mayor in the aftermath, a position she held for 10 years. incredible significant in this city. pre-and post mentorship. reporter: disco mayor willie brown was serving in the state assembly as feinstein was gaining political momentum in san francisco. i know that at all times, diane would do what she thinks is in the best interest of policy makers. during the aids crisis, then mayor feinstein earmarked $3.5 million for the city s aids budget, which was more than president reagan allotted for the entire country. few people know this. mayor dianne feinstein, her aids budget for the city of san francisco was busier than president reagan s budget was for the entire nation and that was true for two years in a row, in the mid-80s. reporter: she ran on successfully for governor of california against pete wilson, then exploded onto the national scene, winning her bid for senate in 1992. a position that she has held ever sense. dian