Eight Things To Know.

Monday, October 19, 2020.

1. Trump abandons third nuclear arms accord with Russia.

2. Plant extinctions in North America more numerous than once believed.

3. Iowa farmers may decide the election.

4. Are human remains preserved inside the Titanic?

5. Biden has a plan for Iran.

6. Belarus reaches a tipping point.

7. Warming temperatures propel Arctic tundra greening.

8. Your tax dollars at work: the Hubble Spa…