North Korea launched a Taepo Dong 2 (TD-2) missile - probably a space launch vehicle (SLV) - on 05 April 2009. This was a launch of many firsts for Pyongyang, including releasing data about the launch beforehand and some actual video of the event afterwards:

Like the 1998 Taepo Dong 1 (TD-1) launch that [...]

The Taepo Dong 2 (TD-2) (대포동 2호) missile launch(es) North Korea likely is preparing for, and recent voiding of all political-military deals with South Korea, are part of Pyongyang’s long-term strategy of regime survival. While these actions also have less important near-terms goals – expressing displeasure with ROK President Lee Myung-bak’s relatively hard-line approach [...]

North Korea’s state media, the Korean Central News Agency (KCNA), on 30 January 2009, released statement declaring the DPRK’s unilateral withdrawal from all political and military agreements with South Korea.
Specifically cited was a 1991 agreement that included a sea border in the Yellow Sea. This signals North Korea’s dissatisfaction with ROK President [...]

From the Korea Times (via ROK Drop): “The North Korean army should form part of peacekeeping forces to help reconstruct war-ravaged Afghanistan ― if Pyongyang normalizes relations with the United States, an opposition lawmaker said Thursday.” This from a South Korean Democratic Party (DP) member.

In 1999 the news on North Korea was both alarmist over North Korean antics and naively hopeful of peace suddenly breaking out. A decade later the news is still often alarmist - North Korea did test a nuclear device in 2006 after all - but less naive after decade of reneging on agreements and [...]

Via the Korea Society, North Korea made the U.S. an offer it could refuse, and apparently will:
North Korea offered to send its chief nuclear negotiator to next week’s inauguration of US President-elect Barack Obama, but Washington has responded coolly, South Korean news reports said Monday.
[. . .]
“The North, through its United Nations mission office [...]

Via the AP: “Vice President Dick Cheney says North Korea helped Syria build a reactor at a site that Israel suspected of being a nuclear installation and bombed in 2007. The White House has alleged North Korean involvement before, but top Bush administration officials have said little publicly on the issue, which is still [...]

According to CNN:
The United States on Saturday removed North Korea from its list of states that sponsor terrorism, State Department spokesman Sean McCormack said.
[…]
McCormack said the United States and North Korea had reached agreement “on an number of important verification measures” of North Korea’s nuclear program.
[…]
“Every element of verification that we sought is included [...]

Update: Probably it would have been better to get these answers *before* announcing plans to delist North Korea and remove other trade barriers, as that is what the agreements actually called for:
North Korea did not answer U.S. suspicions of enriching uranium and proliferating technology when it released an inventory of its nuclear plans this [...]

According to John McCreary (author of NightWatch), U.S. officials are assisting North Korea by drafting their nuclear declaration for them:
…according to well informed analysts[,] US officials are drafting the North Korean declaration of its nuclear facilities – the handful that are being declared – which will put North Korea in compliance with its [...]