Debbie Wasserman Schultz

To be clear, climate change is a true 800 pound gorilla in the room. The effects of global warming threaten global environmental upheaval over the coming century. But for South Florida and the Everglades, it could be our death knell if urgent action is not taken.

But this convention is about more than re-nominating President Obama. It's about Americans coming together to build one economy - not from the top down, but from the middle class out and the bottom up.

This sordid affair has become an unacceptable distraction for Representative Weiner, his family, his constituents and the House - and for the good of all, he should step aside and address those things that should be most important - his and his family's well-being.

Companies selling a product play down its vulnerability and emphasize its robustness. But only after technology leaves the dock is it really tested. For human operators in control of a supposedly infallible system, complacency and overconfidence can take over, and caution may be thrown to the wind.