Editors' Note: The original version of this story said Sen. Robert Menendez (D-NJ) was writing his own drug-pricing bill. He reintroduced that bill last week with Sen. Bill Cassidy (R-LA). Senate Republicans want to revoke the Trump administration’s drug rebate rule to pay for infrastructure legislation after they about-turned on an agreement to pay for that bill by aggressively pursuing unpaid federal taxes. But Democrats are counting on the rebate rule revocation as an offset for their...