| Challenging |
Wall Street Journal |
26 Feb 2022 |
| Difficult |
The Washington Post Sunday |
01 Nov 2020 |
| Harder than it looks |
Wall Street Journal |
08 Oct 2020 |
| Like many things worth doing |
Universal |
10 Mar 2020 |
| Difficult |
Eugene Sheffer |
07 Jun 2019 |
| Harder than it looks |
|
|
| Very challenging |
Newsday |
31 Oct 2017 |
| Presenting a challenge |
USA Today |
15 Oct 2016 |
| Presenting a challenge |
|
|
| Difficult |
USA Today |
14 Jun 2015 |
| Difficult |
|
|
| Tough |
|
|
| Like "bein' green," to Kermit |
|
|
| Taking some doing |
|
|
| Like "bein' green," to Kermit |
|
|
| Tough |
|
|
| Tough |
|
|
| Tough |
|
|
| Tough |
|
|