Batkid saves San Francisco

This week on Planet Earth, it's been all too easy to submit to the negativity, to give up in the face of overwhelming natural disasters and disasters of their own making. When you look around you and see so much grey, it often seems like the light at the end of the tunnel may never show its face again.

Thanks to a 5-year-old leukemia survivor, Miles Scott, in San Francisco, you might want to reconsider the hope thing. Try to read this story and not cheer. Or cry. Or both.

Batkid saves San Francisco in epic Make-a-Wish dream come true

And if you're the Twittering type, follow the #SFBatkid hashtag for the latest. This is what defines heartwarming.

Related links: ABC, Yahoo/AP, LA Times