Hehe, there's been some good ones. Thx Syterion.

[I'll post more as the ideas come to me.]
IglooDude has two cows. One begins construction on a sarin plant. He throws his plow at it, yelling, "Why can't you just sell drugs like your brother?!"
Azadre has two cows. He complains that if John Kerry were President he'd have three.
SeleucusNicator has two cows. He breeds as many more cows as possible in the interests of national security.
Perfection has two cows. He makes a landmark discovery in biochemistry when he discovers that the molecular structure of cows is simply:
Mise has two cows. He secretly feeds one to a Hindu friend of his.
North King and nonconformist each have two cows. Instead of making a profit off of them, they decide to distribute the meat made from the cows to those who need it. They spread the word and remarkably form a multinational nonprofit organization. With the help of Ben Affleck and other progressive Hollywood activists, it lasts for three days.
Bozo Erectus has two cows. One of them grows sad, inspiring the painting
The Crying Cow. Members of the international artistic community analyze the work and deem it a masterpiece, concluding that it represents the struggle developing countries must go through in the face of globalization. Bozo says, "Yeah, sure, whatever," and sells the painting for $23 million.
Bacon King wants to be his two cows' neighbor. He misinterprets Jesus's message of loving thy neighbor, and gets arrested for beastiality. Aphex Twin, tolerant of just about all sexual activities, comes to his aid and organizes a campaign against these oppressive laws.
Zarn has two cows. He brands them with, "
W THE PRESIDENT."
LLXerxes has two cows. He milks them, and his parents get arrested for child labor violations.
Yom has two cows. He constructs the following diagram and concludes he can sell each one for $175: