the speaker

And if his allies in the Senate try to thwart him, there’s always the House, where the Trump team believes that the speaker could assist them in bypassing the upper chamber, should it be necessary, and relying on recess appointments.

“The speaker of the House is not involved in that—can’t be involved in that,” he told reporters.

This means the headphones can't amplify multiple speakers at once, lose functionality if the wearer turns their head away from the target speaker, and aren't as effective at reducing loud sounds from the speaker's direction.

The speaker of Pakistan's National Assembly, Sardar Ayaz Sadiq, condemned the blast, saying those responsible were the "enemies of humanity".

There are long-standing conventions for debate in the Chamber, such as MPs only being able to take part with the speaker or deputy speaker's permission and the occasional need for time limits on speeches, as well as stressing that the order in which speakers are chosen is at the speaker's discretion.