HARRISBURG, Pa. - Leaders of Pennsylvania's state Senate Republican majority are asking Republicans in Congress to delay the certification of the Electoral College, the latest effort by Republicans to undo Democratic President-elect Joe Biden's victory in the battleground state over President Donald Trump.The letter, dated Monday, was signed by state Senate President Pro Tempore Jake Corman, state Senate Majority Leader Kim Ward and 19 other Republican state senators.A copy of the letter was tweeted late Tuesday night by Trump, announcing it as "BIG NEWS IN PENNSYLVANIA!"Trump has enlisted dozens of Republicans to challenge the Electoral College vote when Congress convenes in a joint session to confirm Biden’s 306-232 win Wednesday.The.