gun control and other issues. i'll take that up with ross douthat. and president obama takes on some jabs at the media last night's white house correspondents dinner, including a website that's been getting a lot of buzz. >> the media landscape is changing so rapidly. you can't keep up with it. i mean, i remember when buzz feed was just something i did in college around 2:00 a.m. >> but shoot press corps be yucking it up with the white house gang and all chose celebrities? i'm howard kurtz, and this is "reliable sources." the coverage of the boston bombing took a sharp turn this week as the narrative turned to the motivation of the tsarnaev brothers and whether the federal authorities had mangled the