By Richard Cowan WASHINGTON (Reuters) – A 135-year-old federal election law will start getting a makeover in Congress this week in response to the Jan. 6, 2021, assault on the U.S. Capitol by then-President Donald Trump’s supporters trying to stop certification of Joe Biden’s victory. Democrat Zoe Lofgren and Republican Liz Cheney, members of the U.S. House of Representatives, on Monday unveiled proposed changes in the 1887 Electoral Count Act that authorizes the House and U.S. Senate to meet every four years, in early January, following November presidential elections. Under the procedure, th…