Money from tax would be used to counter business advocacy, but some groups targeted say such a policy is unconstitutional Democratic presidential candidate Sen. Elizabeth Warren is proposing a new tax that would specifically target corporations and associations that spend big money on political advocacy, although whether the tax would withstand legal scrutiny is unclear. Warren released details of her proposed "excessive lobbying tax" in an Oct. 2 blog post on Medium. Companies and trade groups that spend between $500,000 to $1 million per year on lobbying, calculated on a quarterly basis, would pay a 35% tax on those expenditures. The tax rate would increase to 60% for… Read More