3 things for Monday, Chicago:
ROMNEY AND COSTCO. In the humanization effort under way at the Republican National Convention, Ann Romney says she and Mitt Romney "love" shopping at Costco -- one of whose founders will speak at the Democratic National Convention next week.
* Chris Matthews goes "ballistic" on Republican party chairman Reince Priebus
* Dave Barry reporting on the Republican convention for National Journal: "I only included Hooters because we have pretty much exhausted the fascinating facts about Tampa"
NEW CTA CARS: 'EEK.' Transportation reporter Jon Hilkevitch says the seating (and standing) layout of the new models is drawing plenty of complaints -- and he calls on the CTA to reconsider.
TWEET SMARTER. Scott Kleinberg recommends three tools to help make you tewwific on Twitter.
* 5 best practices for LinkedIn