Notable Quotes of the Day

“You are spending at least a third to half your life on your mobile phone, and they’re deciding they don’t need to have a message for you there.”

– Zac Moffatt, Republican strategist on Biden’s online ad pullback

“From a brand perspective, [Biden] can’t be that incendiary and that’s what’s rewarded online.”

– Andrew Bleeker, Democratic digital strategist

Democrats

• Joe Biden attended a fundraiser in Denver Saturday. Politico reported on the pro-Biden coalition in the Congressional Hispanic Caucus.

• Cory Booker joined striking auto workers on the picket line in Maryland Saturday. Booker announced Sunday he had crossed the donor threshold for the November debate.

• Steve Bullock will apply for tor public financing for his campaign after the end of the third quarter.

• Pete Buttigieg campaigned in Nevada Saturday and Sacramento Sunday.

• Julián Castro said he would not run for U.S. Senate in Texas if he were to leave the 2020 presidential race.

• John Delaney’s Iowa state director departed his presidential campaign Friday. Brent Roske was named the new Iowa state director.

• Tulsi Gabbard said Friday that she no longer opposed impeachment after reviewing the transcript summary of the call between Trump and the Ukranian president.

• Kamala Harris opened a campaign office Sunday in her hometown of Oakland, California.

• Amy Klobuchar and Elizabeth Warren spoke at a forum sponsored by the United Food and Commercial Workers in Michigan Sunday.

• Bernie Sanders announced a plan Monday to increase the tax rate for corporations that make $100 million in annual revenue if their highest-paid employee earns more than 50 times the average worker.

• Joe Sestak campaigned in Iowa Sunday, speaking at events for the Butler County Democrats and the Webster County Democrats.

• Tom Steyer announced his “International Plan for Climate Justice,” which would spend $200 billion over 10 years to define and address environmental crimes against humanity.

• Marianne Williamson is campaigning in Iowa Monday, including a stop at the Caucus for Kids and Drake University.

• Andrew Yang is holding a campaign rally in Los Angeles Monday.

Republicans

• The Donald Trump campaign and the Republican National Committee spent $10 million total on an ad campaign targeting Biden for alleged corruption in Ukraine and saying the Democrats want to steal the 2020 presidential election. 

• Bill Weld will campaign in New Hampshire Monday, with stops at the New Hampshire Institute of Politics and the Manchester Family Justice Center.

General Election Updates

• Sept. 30 is the final day for fundraising in the third quarter. Financial reports are due to the Federal Election Commission by Oct. 15.

Flashback: September 30, 2015

CNBC announced its criteria for participation in the third Republican presidential primary debate: reach an average of 2.5 percent in national polls from a select group of organizations to make the main stage or reach 1 percent in any of those polls to make the undercard debate.