Senators are launching a budget “vote-a-rama” in a crucial, if dreaded, step toward President Donald Trump's agenda.

The president has endorsed the House GOP's one-bill approach while Senate Republicans want to separate his priorities into two bills.

The Senate was preparing for an all-nighter Thursday night into Friday morning to adopt a GOP-drafted budget resolution that would pave the way for a filibuster-proof border security, defense and energy package.

For Senate Minority Leader Chuck Schumer (D-N.Y.), the overnight session on Thursday is about proving Democrats have a path — and the guts — to get out of the political wilderness. Why it matters: Schumer sees the budget "vote-a-rama" as his shot to convince voters that President Trump's GOP serves billionaires,