The Ticker: More on Twitter; Copycat political ads; Tracy Martin message; FLOTUS on Pinterest; Flight times

Bloomberg: Twitter Says Expanded Postings Will Show More Media Content

Huffington Post: Romney’s ‘Doing Fine’ Ad Is Mirror Image of Obama Ad From 2008

Buzzfeed: Trayvon Martin’s Dad Sends Father’s Day Message

Gawker: Ann Romney’s Pinterest is Better than Michelle Obama’s Pinterest

Wall Street Journal: Reality Check: Why Airlines Are Shrinking Flight Times