they also don't get as hot as halogens, nor do they contain mercury, like cfl bulbs do. whatever bulb you choose, you want one that's not so bright that it'll give you a headache and not so dim that it'll cause eye strain. brightness is measured in lumens. the experts recommend a bulb that gives off about 1,100 lumens. that's equivalent to a traditional 75-watt bulb. you can check out the lumens on the package. next is the position of your light source. if you're using a desk lamp, don't put it alongside the hand you write with. instead, put it on the opposite side. and be sure it doesn't cause glare on your computer screen. now, if someone could come up with a light that could actually make us smarter, that would be a bright idea. i'm christin, here to help you make the grade. >> every state has one, but most of us don't know why they look the way they do. here's eric with "flag facts." >> maine stretches further east than any other u.s. state. it's also our least densely populated eastern state. almost 90% of maine is covered by forest, which is why it's called "the pi

early on, 1929 in that time, you had left wing stations, if i could use that political term, w cfl, chicago, near new york city purposes, free speech you might say, they wanted to espouse their opinions. when they were renewed they were told to be very careful about expressing their opinions. >> tonight, at 8 p.m. eastern on q&a. >> former fbi director james comey will testify thursday before the senate intelligence committee, investigating russian activities during last year's election. c-span3 will have live coverage of the open part of that hearing at 10 a.m. eastern. you can also watch live, online, on c-span.org, listening live using the free c-span radio app. >> thursday, president trump announced that the united states would withdraw from the paris climate change agreement a

in 19.9, you had left wing stations, if i could use that political term, owned by the w cfl in chicagothe labor union, and w dvd, a socialist station in new york city, and they wanted, for political purposes like free speech, they wanted to espouse their opinions. these were immediately dubbed propaganda stations and when they were renewed they were the best they were told to be careful about addressing opinions. >> sunday night on c-span's q&a. ♪ >> span. where history unfolds daily. in 1979, c-span will -- was created by america's television companies and is brought to you today by your cable or satellite provider. >> washington journal continues. pedro: our next guest, william pomeranz with the wilson center, decade -- deputy director of the institute and the next on russia. thanks for joining us. a lot of discussion about communicat b

early on, 1929, you had left owned by the w cfl union, ao, a labor socialist that bought a station near new york city. they wanted for political purposes, free speech -- they wanted to espouse their opinion. propagandadubbed stations and when they were renewed, they were told to be very careful about expressing their opinions. >> sunday night at 8:00 eastern on c-span's q and a. >> next a conference on internet regulation. we will hear from the new fcc neutrality privacy in wireless innovation. >> ok, well everyone is so quiet that i think we should get started. that was really good.