As Donald Trump fumbles through the new field of the 2024 presidential race, his past attacks are returning to haunt him. Conservative Charlie Sykes, editor of The Bulwark, told MSNBC host Nicolle Wallace that the Republican Party’s big mistake is going all-in on an attack against President Joe Biden’s age and alleging a cognitive decline. Sykes said that when Trump took the stage at the Republican National Convention last week, he was likely at the highest point in his political career. Want more breaking political news? Click for the latest headlines at Raw Story. Read Also: Trump has ‘far m…