Cheney didnt ask if there were any objections as the Constitution requires, Pelosi cut him off by starting the cheerleading.
No, you have it backwards. 3 USC 15 says, “the President of the Senate shall call for objections, if any.” http://www.law.cornell.edu/uscode/3/usc_sec_03_00000015——000-.html
He asks. There are no circumstances when he doesn’t.