Not only do we NOT need a $1 coin, we need to abolish the penny, nickel and dime now that inflation has rendered them of very little worth. The amount of time and energy spent counting change and preparing cash registers at every level of retail sales is a waste of valuable time and money.
Interesting choice of coins to eliminate. The last time the U.S. removed the lowest value coin was in 1857 when the half cent was eliminated. That coin would be worth 11¢ now, so the lowest coin remaining had a current value of 22¢.