By Dan McKay / Journal Staff Writer   House Majority Leader Javier Martinez, D-Albuquerque, with Speaker Brian Egolf, right, D-Santa Fe, and Rep. Andrea Romero, D-Santa Fe, behind him, holds a news conference with other House Democrats after the end of the 30-day legislative session in February. (Eddie Moore/Albuquerque Journal) SANTA FE — Democrats on Saturday agreed to nominate Javier Martínez — a progressive whose district covers Downtown Albuquerque — to serve as the next speaker of the House, widely considered the most powerful legislative post at the Capitol. Martínez, 41, was picked in a closed-door meeting of the House...