President Biden plans to visit Nevada and Arizona this week to champion his economic policies and attack Republicans on immigration and abortion as he seeks to shore up a crucial but wavering Latino electorate in the two battleground states.Mr. Biden will begin his trip on Tuesday in Reno, Nev., where he plans to promote his economic agenda and denounce former President Donald J. Trump over abortion rights. He then plans to travel to Las Vegas to trumpet his efforts to cut housing costs before heading on Wednesday to Phoenix, where he is set to make a manufacturing announcement. Mr. Biden…