Update: Here's the Jeb Bush "stuff happens" remark that President Obama was asked about:

https://youtu.be/2DLmEhbXMtA

And here's President Obama's reaction:

https://youtu.be/xcvb8xgz9Ro

Opening remarks on resignation of Secretary of Education Arne Duncan:

https://youtu.be/WC1IEmHjda0

Before taking questions, President Obama made a brief statement on the economy, and drew a line in the sand on the sequester:

https://youtu.be/4ITFk7jqnTE

First question: Russia and Syria. Assad "must transition." Paging #CaitlynJenner?

https://youtu.be/lUWQqPS9nsQ

Followup to ISIS question:

https://youtu.be/s0AKoL7U8LY

President Obama reacts to Jeb Bush's "Stuff happens" remark, and calls on Americans to change the politics around gun control:

https://youtu.be/xcvb8xgz9Ro

President Obama says he won't bargain on the debt ceiling:

https://youtu.be/0fusBBlvfpo

Pete Alexander asks @POTUS if he can stop angry lunatics with "bully pulpit." POTUS: "No." It's the guns, stupid.

https://youtu.be/f3BU1tfQKP0

@POTUS laughs at the "Putin STRONG!" narrative:

https://youtu.be/CfT91tV42n4

Major Garrett asks @POTUS if Hillary Clinton's no-fly zone idea is "half-baked":

https://youtu.be/y0GmNIOlX9I

POTUS says he loves Joe Biden, and he loves Pope Francis:

https://youtu.be/7zo8E-5zB-4