Analysis: White House cranks up the pressure as infrastructure talks drag on

But the delicate 50-50 balance in the Senate represents an inbuilt vulnerability in Biden’s position, adding to uncertainty over whether Democrats can ram through a bigger, alternative plan if Republicans leave the table.The infrastructure showdown is a critical test of the President’s promise to show that in a scorched earth environment in Washington, the two parties can make the political system work in a unified effort to help all Americans.The White House has spent weeks in talks with a group