Miscellaneous Anagrams

Rearranging the letters of 'Chairman Mao' gives:
I am on a march

Rearranging the letters of 'President Saddam Hussein' gives:
Human disaster dispensed

Rearranging the letters of 'Albert Einstein' gives:
Ten elite brains

Rearranging the letters of 'Marco Polo' gives:
A cool romp

Rearranging the letters of 'Roswell incident' (Supposed flying-saucer crash of 1947) gives:
Nerds will notice

Rearranging the letters of 'Slot machines' gives:
Cash lost in 'em

Rearranging the letters of 'United States of America' gives:
Dine out, taste a Mac, fries