Hello from CNN. I'm Joe Beck with the five things you need to know for Wednesday

July 17th. I'll start by making one thing perfectly clear.

Donald Trump has my strong endorsement period.

That was former South Carolina Governor Nicky Haley,

speaking at the Republican National Convention last night.

Just months ago, she was Donald Trump's political rival and fierce critic,

which earned her some booze as she walked on stage. But now she's calling for people to get behind the former

president. You don't have to agree with Trump 100% of the time to vote for. Take it from me.

And other one-time rivals like Ron DeSantis, Vivek Ramaswami, Ben Carson, Marco Rubio, and Ted Cruz also

backed Trump in their speeches.

While on the flip side, Trump's supporter turned critic,

former New Jersey Governor Chris Christie,

wrote an oped in the New York Times yesterday,

calling early GOP attempts to tone down some rhetoric, quote, less than promising.

Since someone tried to assassinate Trump, both Republicans and Democrats have been calling for a change in the aggressive language used around campaigns.

And while many speakers at the RNC seem to have got the message, others haven't.

The director of the Secret Service says her organization had full responsibility for security at the Pennsylvania rally where a shooter attempted to assassinate Trump.

At that particular site, we divided up areas of responsibility, but the Secret Service

is solely responsible for the design and the implementation and the execution of the site.

In that interview with CNN, Kimberly Cheetel

seemed to backtrack on what she'd previously

told ABC News, when she said local law enforcement

...