A.M. Links: Joe Biden Bumped for Bill Clinton at DNC, Dick Cheney Says Sarah Palin Pick a Mistake, Mitt Romney Talking Tough

• Bill Clinton will formally re-nominate Barack Obama for President at the Democratic National Convention in Charlotte and the former president was given a primetime speaking slot, relegating Joe Biden to introducing President Obama at Bank of America Stadium on the last night of the convention.

• Dick Cheney, who helped Gerald Ford and George W. Bush select their running mates (Bob Dole and Cheney himself, respectively), said John McCain's choice of Sarah Palin in 2008 was a mistake. "I like Governor Palin. I've met her. I know her. She – attractive candidate. But based on her background, she'd only been governor for, what, two years. I don't think she passed that test…of being ready to take over," the former vice president said.
• Mitt Romney said he would respect a unilateral decision by Israel to strike in Iran and that he would have a "zero tolerance" policy on Iran acquiring nuclear weapns.
• Leon Panetta said Syria's latest attack on rebels and residents in the city of Aleppo is another "nail in Assad's coffin." The secretary of defense is spending five days touring the Middle East.
• How to take Anton Scalia's observation that some gun control could be constitutional? Are hand-held rocket launchers constitutional?
• Wait, there's a printer that can do that?
• Homeowners hurting from water restrictions have turned to having their lawns painted green.
• Divers recovered a German World War 2 era U-boat off the coast of Nantucket.
• Twitter went down for reason. Via commenter SugarFree

Don't forget to sign up for Reason's daily AM/PM updates for more content.

New at Reason.TV: "Greg Lukianoff: How Colleges Fight Free Speech"