Even though this time of summer is usually less hectic for presidential candidates, POLITICO's David Siders notes how they still have plenty of campaigning to do, as well as plenty of mistakes to avoid.

Enjoy paella? How about $12,075 worth? Elena Schneider from POLITICO gives us a look at campaigns are spending money on.

The Hill's Amie Parnes details former VP Joe Biden's 2020 campaign so far, including his struggles after the first Democratic debate, and what we can expect next.

Who pays when it comes to Presidents using Air Force One for election campaigning? USA Today's David Jackson has the story.

Kristina Peterson from the Wall Street Journal explains how campaigners are reaching out to dating app users in swing states.

Amie Parnes from The Hill explains why Hillary's closest supporters are worried about her campaign branding and the message she's sending out to voters.