Umberg jumps into state Senate race, gets attacked by Republicans

The Buzz is the Register’s weekly political news column.
Former Assemblyman Tom Umberg has joined the Democratic field to challenge Republican state Sen. Janet Nguyen, bringing strong credentials — and immediately drawing a harsh attack from the California Republican Party.
The attorney served in Sacramento’s lower chamber twice, from 1990 to 1994 and again from 2004 to 2006. He is a retired Army colonel and former federal prosecutor who was deputy drug czar under President Bil