former los angeles mayor former california state assembly speaker antonio villaraigosa thursday publicly launch campaign become next governor country populous state new campaign website democrat say main focus elect would invest school repair infrastructure around state shore ail middle class say campaign would stand direct contrast president-elect donald trump republican campaign heavily build wall unite state mexico deport undocumented immigrants trump presidency surprise upset democrat hillary clinton early week state build bridge wall inclusive celebrate diversity welcome newcomers villaraigosa say statement campaign website know answer fear hope answer division unity villaraigosa los angeles mayor 2005 2013 serve speaker california assembly 1998 2000 perhaps state highest-profile latino leader villaraigosa june say form political action committee start raise money help fight trump presidential campaign key state large latino immigrant populations california democratic lieutenant governor former san francisco mayor gavin newsom say early 2015 would also run state top political position two currently lead entrants race fill seat popular governor jerry brown 81 term end former los angeles mayor villaraigosa enter california governor race