In 2016, Donald Trump won Iowa by **9%**.

He won Texas by **9%**.

He won Ohio by **8%**.

He won Georgia by **5%**.

In 2020, these states and 11 more are up for grabs. Why?

2020 has a massive number of battleground states worth 201 electoral votes, possibly the largest number of electoral votes in contention in recent political history, with vastly different trendlines and political leanings.

Recently I was working on some math problems when this especially interesting one came up:

Chad needs seven apples to make an apple strudel for Jordan. He is currently at 0 on the metric number line. Every minute, he randomly moves one meter in either the positive or the negative direction with equal probability. Arctica’s parents are located at +4 and 4 on the number line. They will bite Chad for kidnapping Arctica if he walks onto those numbers. Also, there is one apple located at each integer between 3 and 3, inclusive. Whenever Chad lands on an integer with an unpicked apple, he picks it. …

About