[Drew68]

“We are all entitled to our opinions. But I regret some of the ugliness here against our beloved President.”

When President Trump embraces the same failed neocon Middle East foreign policy THAT HE CAMPAIGNED AGAINST he is deserving of our rebuke.

[piasa]

Note that Trump said all of that before he had access to any military intelligence.
People aren’t obligated to hold perpetually onto old views formed by a shortage of information, as if new information doesn’t matter; since then he has become better informed and his opinions have changed accordingly.
It’s called learning.

[Nifster]

And when circumstances change Trump is allowed to have a different opinion