Most powerful man in the world?

It is incredible but true. Somebody dare to hang up the phone on Barack Obama, and moreover, did it twice. The name of this brave person is Ileana Ros-Lehtinen and she is a Florida congresswoman. Apparently, she thought that the man was calling her was somebody from a local radio station and then she avoided to be their next victim. Other politicians like Sarah Palin, Fidel Castro and Hugo Chavez have been victims of crank calls from radio stations and their impersonators.
Their initial conversation lasted about a minute. She told him that she was not falling for the hoax and also compare him with an impersonator, saying that he was better than the actor that appears on Saturday Night Live. Then she cut him off. After this first attempt, Rahm Emanuel who is Obama's chief of staff, call her to explain that it was not a joke. As she had done before, she hung up on him, too.
It was necessary to call a close collaborator of her to clarify the situation and make the conversation with Obama possible. Obama did not blame her for being skeptical about the call and he laughed a lot, saying that in Chicago radio stations often do the same kind of jokes.
I think that if Obama has these problems every time he makes a phone call, then he should visit in person people he wants to talk to. Other possibility is video call. I am sure that his phone has this feature and it is very likely that people he calls have it too.
But maybe the solution to this is the way you pick up the receiver. Obama should do it like Bush does. He has eight years of experience doing it.

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While I was reading this story in newspapers I learnt some new vocabulary that I show below:

prank

mischievous trick or practical joke

mischievous

slightly malicious

crank call

hostile telephone call

deceive

to cause to believe what is not true

cut off

interrupt or break the line of communication

go along

cooperate

impersonator

someone who (fraudulently) assumes the appearance of another

I also learnt the expression

"appearances can deceive" 

that can be translated into Spanish as "las apariencias engañan".