Washington, July 17 -- : Former US Vice President Joe Biden has jokingly challenged 73-year-old US President Donald Trump to a push-up challenge.
76-year-old Biden has been called "Sleepy Joe" by Trump on many occasions after the former Vice President announced his intent to run for the post of President in the high-stakes US Presidential elections next year.
The Presidential hopeful made the comments during an interview to MSNBC's Mika Brzezinski. The host asked him as to what would be his reaction to Trump "making fun of your age," to which he responded with the idea of a push-up challenge.
"I'd say, 'Come on Donald. Come on man. How many push-ups do you want to do here, pal? You know, I mean jokingly. You know, come on run with me ma...