1) An overworked and indebted worker could intentionally disrupt a semiconductor fab causing significant delays in the production of graphics cards.

2) White separatists could take controll of a medium sized section of Northern Idaho and the standoff could turn into a stalemate.

3) Joe Biden could have a stoke yet still insist on running for a second term.

4) A sink hole caused by excessive pumping of ground water could cause a sink hole which at least temporarilly swallows a major river.