I never regarded cheat grass as exotic----far more like an invasive pain in the a**. Typically grows on low fertile soil that is in need of lime---around here if you have cheat grass it's like telling your neighbors you are a poor steward of the land.
"A pessimist sees the difficulty in every opportunity, an optimist sees the opportunity in every difficulty” ---Sir Winston Churchill
"Political extremism involves two prime ingredients: an excessively simple diagnosis of the world's ills, and a conviction that there are identifiable villains back of it all." ---John W. Gardner
“You can’t go back and change the beginning, but you can start where you are and change the ending.” ---C. S. Lewis