Cintra-Zachry, the joint construction venture that won a $7 billion contract to start work on the controversial Trans Texas Corridor project, has written a letter to the Federal Highway Administration expressing interest in a $320 million low-interest loan. Critics say Cintra-Zachry won the contract in part because it said it would not use public dollars, but the governor’s office and the consortium say the deal didn't prohibit using federal money. Only state money was mentioned. Kathy Walt, spokeswoman for the governor, says the inquiry involves a loan, not a grant. But some state leaders remain skeptical. Mike Sizemore, press...