Full Title: Texas lawmaker dropped a sealed envelope at the airport. It was filled with four bags of cocaine, police say. A stray envelope may end the political career of Texas state Rep. Poncho Nevárez. As the Democratic lawmaker, 47, was leaving an airport in Austin earlier this year, he dropped an envelope bearing his official letterhead, police said, citing surveillance video. Inside, investigators now say they found a revelation that would lead to an apology, a decision not to seek reelection — as of Thursday afternoon — and a warrant for his arrest: The sealed envelope, they said in...