Yesterday, we got some. An 18-year-old man in England who was almost completely blind can now see, thanks to a gene-therapy trial.
For more on the breakthrough, just take a look at my Notebook.
Donald Trump's top priority this week is not to campaign for his ticket or his party -- but to drive a wedge between Hillary Clinton and Bernie Sanders. Major Garrett reports.
The DNC is beginning with a developing scandal -- and e-mails are at the center of it. It's forced the chairman of the Democratic National Committee to announce that she is stepping down at the end of the week. Nancy Cordes has more.
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