[myvoiceismypass]

> We saw (an admittedly razor-thin) majority in the first half of Biden's term

Two (2) years.

> more solid majority in the first half of Obama's first term.

Two (2) years and one (1) month out of Obama's Eight (8) years. Okay.

> It may feel skewed in favor of Republican majorities across the executive and legislative branches due to GWB having it for 6 years

Four (4) years, One (1) month total majority TOTAL in the past Twenty-Four (24) years.