Maine Democrat Sara Gideon still has nearly $11.6 million in the bank after spending $62.9 million in her unsuccessful Senate bid. (Michael M. Santiago/Getty Images) As congressional candidates raked in record sums of campaign cash in the extraordinarily expensive 2020 election, they experienced a unique problem: too much money and not enough time to spend it. Several candidates who lost their races are sitting on millions in unspent campaign cash. The losers in the 10 most expensive 2020 Senate races still had a combined $35.3 million in the bank according to the most recent Federal Electi...