Mikulski was referring to Sen. Ted Cruz’s (R-Texas) 21-hour-long floor speech earlier this week. Cruz spoke out against ObamaCare in an effort to convince his colleagues not to strip language from a House spending measure that would defund the law.
The government will shut down Oct. 1 if Congress doesn't approve some form of government funding measure.
Mikulski pointed out that President Obama has threatened to veto any spending measure that guts his signature healthcare law.
“We cannot move if we have the theatrical shutdown politics,” Mikulski said. “This isn’t just about show business; we have to keep the government open.”