Mitt Romney Visits Las Vegas, Doesn't Shut Down Commerace

Today, Mitt Romney is visiting Las Vegas for a fund raiser and hopes to raise about $2 million.
Unlike President Obama who shuts down airports and shuts down businesses, it appears Mitt Romney doesn't do that.
So, why would the Secret Service treat Obama and Romney differently?  If there is a threat to the president, then should be an equal threat to Romney.  Why would the Secret Service treat the candidates differently?
Just remember, the new stricter rules only came when Obama was elected president.  Knowing that Obama has the mental illness, narcissism, perhaps Obama chooses to make things more difficult for us little people because he believes he is a god, king or both.
Another observation, unlike Democrats who flee like rats when Obama comes to town, Republicans are not afraid to be seen with Romney.  Gov. Sandoval is at the fund raiser along with Newt Gingrich and Donald Trump (crap).
Romney should be able to easily win Nevada because of large Mormon population.  After Utah, Nevada has more Mormons than any other state and they support other Mormons.  Many Mormons also supported Coward Harry Reid, a Mormon, even though Reid goes against most of the Church's conservative social views.
Anyways, welcome to Las Vegas, Mitt Romney and please take aways some money to help your campaign.