Protest over national vs. regional chains, the never-ending debate over the place of cars and bicycles in our metropolises, professional sports scandals, remembering a solemn day, and being issued a search warrant - it all happened across our sites this week! Another banner week at Chicagoist started off with daily reports from food writer Lisa Shames on her attempt to eat only locally grown and raised foodstuffs all week as part of a farmers market......

Hey, does anyone know what the mayor of San Francisco's up to? --M&R report that Gavin has been attending rehab sessions every day this last week -- some as individual sessions with the head of Delancey Street, and some as group sessions, and his community service will take the form of activities he was already doing as mayor. He's dealing with "interpersonal issues, friendship issues, and issues that have been locked up for some time......

Lang Lang opened a series of sold-out performances with the SF Symphony on Wednesday night. The pianist headlined a concert at Davies Symphony Hall, which also included the US premiere of The Flight of Icarus by John Pickard and a Haydn symphony. Lang Lang is pianist with a vast appeal crossing over to the general audience, not just the classical arena: his official web site biography mentions his playing on Jay Leno's show before......

In case you missed the GameSpot Annual Marketing Event at Moscone Center last week (also known as the "Games and Music Experience"), Lore Sjöberg has a write-up at Wired to tell you what you didn't experience. (The SFist Tech Labs staff didn't go, as we were afraid that 50 Cent would be there, and let's just say there's some bad blood between us.) Speaking of bad blood, Yahoo announced it would undercut eBay-owned Skype......

Beef between bloggers is always funny....