How many of the congressional races in these 40 counties ended up with the unbelievably wide margins between Democrat incumbents and their Republican challengers, which California Globe reported on?
Orly

The 6th Congressional District in Sacramento, in which Rep. Doris Matsui (D-CA) never even campaigned, is one. Matsui beat her challenger Chris Bish:

Doris Matsui (D)                     107,316          75.9%
Chris Bish (R)                          34,150           24.1%
Rep. Ami Bera’s 7th Congressional District is another, and Bera had no campaign to speak of against challenger Buzz Patterson. Bera beat Patterson:

Ami Bera (D)                           116,437           61%
Buzz Patterson (R)                   74,436            39%
As we reported, look at the wide margins in all of these California races – challengers didn’t even come close to the incumbents:

2nd District

Jared Huffman (D)                  202,135          78%
Dale K. Mensing (R)                 56,204           22%
3rd District

John Garamendi (D)             123,527           58%
Tamika Hamilton (R)               89,220           42%
12th District

Shahid Buttar (D)                  59,745         20.8%
Nancy Pelosi (D)                 227,989         79.2%
13th District

Barbara Lee (D)                  160,901         91.0%
Nikka Piterman (R)               15,882.          9.0%
14th District

Jackie Speier (D)                 197,031       80.5%
Ran S. Petel (R)                    47,635        19.5%
15th District

Eric Swalwell (D)               119,572        72.8%
Alison Hayden (R)               44,752        27.2%
16th District

Jim Costa (D)                        92,921        60.5%
Kevin Cookingham (R)          60,695       39.5%
17th District

Ro Khanna (D)                      125,258       74.1%
Ritesh Tandon (R)                   43,775       25.9%
19th District

Zoe Lofgren (D)                     135,927     74.1%
Justin James Aguilera (R)       47,511      25.9%
20th District

Jimmy Panetta (D)                 186,617      78.2%
Jeff Gorman (R)                       52,132       21.8%
24th District

Salud Carbajal (D)                 169,061       62%
Andy Caldwell (R)                  104,016       38%
28th District

Adam B. Schiff (D)                194,417      74%
Eric Early (R)                          68,110      26%
30th District

Brad Sherman (D)               190,475     70.7%
Mark S. Reed (R)                  79,057     29.3%
40th District

Lucille Royball-Allard (D)       90,612    72.8%
C Antonio Delgado (R)           33,806    27.2%
41st District

Mark Takano (D)                    67,535    64.1%
Aja Smith (R)                         37,777    35.9%
43rd District

Maxine Waters (D)             145,866    72.5%
Joe Collins (R)                     55,224    26.4%

Juan Vargas (D)                108,986      70.1%
Juan Hidalgo (R)                46,581       29.0%
52nd District

Scott Peters (D)                200,919      63.3%
Jim DeBello (R)                116,606      36.7%

Does California need an audit of these 40 Counties  which
use Dominion Voting System?