Hello everyone and welcome to Ammanpur. Here's what's coming up.

It is and will always remain a matter of deep regret to me that I have not been able to deliver Brexit.

Prime Minister Theresa May done in by Brexit hardliners says she will step down.

Does this mean Britain will crash out of the EU?

Plus, America's politics are no less volatile,

and Andrew Yang says that he's running

the nerdiest presidential campaign in history.

Can the former tech exec stand out in a crowded field?

And...

All of my instincts and all of the facts I was able to gather on a trip there recently

are that the situation is getting worse not better. The deadly disease Ebola is

stalking Africa again. David Millaban, head of the International Rescue Committee, calls for a new approach

to stop the epidemic spiraling out of control. Welcome to the program everyone. I'm Christina Montpur in London. Theresa May became

Prime Minister because of Brexit and Brexit has now become her undoing. Nearly

three years after the UK voted to leave the European Union, it has still not done so.

May negotiated a deal with the EU but failed three separate times to get Parliament to agree.

So on this warm sunny morning,

May took to the podium outside Downing Street

to announce that she is finally surrendering

to the fierce opposition from the Brexit hardliners within her own Conservative

party.

I believe it was right to persevere even when the odds against success seemed high. But it is now clear to me that it is

...